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Finding the Fourth Proportional to 14,220.97, 19,624.95 and 7,933.34

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Solution

The fourth proportional to 14,220.97, 19,624.95 and 7,933.34 is: 10,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.97 : 19,624.95 = 7,933.34 : x
  2. Step 2: Convert to fraction form
    14,220.97/19,624.95 = 7,933.34/x
  3. Step 3: Cross multiply
    14,220.97x = 19,624.95 × 7,933.34
  4. Step 4: Simplify right side
    14,220.97x = 155,691,449.90
  5. Step 5: Solve for x
    x = 155,691,449.90/14,220.97
  6. Step 6: Final answer
    x = 10,948.02

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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.