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Finding the Fourth Proportional to 22,203, 33,291.54 and 7,403.76

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Solution

The fourth proportional to 22,203, 33,291.54 and 7,403.76 is: 11,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203 : 33,291.54 = 7,403.76 : x
  2. Step 2: Convert to fraction form
    22,203/33,291.54 = 7,403.76/x
  3. Step 3: Cross multiply
    22,203x = 33,291.54 × 7,403.76
  4. Step 4: Simplify right side
    22,203x = 246,482,572.19
  5. Step 5: Solve for x
    x = 246,482,572.19/22,203
  6. Step 6: Final answer
    x = 11,101.32

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.