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Finding the Fourth Proportional to 42,337.76, 63,484.16 and 14,248.44

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Solution

The fourth proportional to 42,337.76, 63,484.16 and 14,248.44 is: 21,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,337.76 : 63,484.16 = 14,248.44 : x
  2. Step 2: Convert to fraction form
    42,337.76/63,484.16 = 14,248.44/x
  3. Step 3: Cross multiply
    42,337.76x = 63,484.16 × 14,248.44
  4. Step 4: Simplify right side
    42,337.76x = 904,550,173.47
  5. Step 5: Solve for x
    x = 904,550,173.47/42,337.76
  6. Step 6: Final answer
    x = 21,365.10

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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.