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Finding the Fourth Proportional to 22,167.99, 30,591.82 and 14,210.23

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Solution

The fourth proportional to 22,167.99, 30,591.82 and 14,210.23 is: 19,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.99 : 30,591.82 = 14,210.23 : x
  2. Step 2: Convert to fraction form
    22,167.99/30,591.82 = 14,210.23/x
  3. Step 3: Cross multiply
    22,167.99x = 30,591.82 × 14,210.23
  4. Step 4: Simplify right side
    22,167.99x = 434,716,798.32
  5. Step 5: Solve for x
    x = 434,716,798.32/22,167.99
  6. Step 6: Final answer
    x = 19,610.11

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.