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Finding the Fourth Proportional to 42,005.01, 63,008.73 and 15,704.73

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Solution

The fourth proportional to 42,005.01, 63,008.73 and 15,704.73 is: 23,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,005.01 : 63,008.73 = 15,704.73 : x
  2. Step 2: Convert to fraction form
    42,005.01/63,008.73 = 15,704.73/x
  3. Step 3: Cross multiply
    42,005.01x = 63,008.73 × 15,704.73
  4. Step 4: Simplify right side
    42,005.01x = 989,535,092.29
  5. Step 5: Solve for x
    x = 989,535,092.29/42,005.01
  6. Step 6: Final answer
    x = 23,557.55

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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.