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Finding the Fourth Proportional to 38,487.77, 53,098.48 and 23,374.71

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Solution

The fourth proportional to 38,487.77, 53,098.48 and 23,374.71 is: 32,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487.77 : 53,098.48 = 23,374.71 : x
  2. Step 2: Convert to fraction form
    38,487.77/53,098.48 = 23,374.71/x
  3. Step 3: Cross multiply
    38,487.77x = 53,098.48 × 23,374.71
  4. Step 4: Simplify right side
    38,487.77x = 1,241,161,571.44
  5. Step 5: Solve for x
    x = 1,241,161,571.44/38,487.77
  6. Step 6: Final answer
    x = 32,248.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.