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Finding the Fourth Proportional to 42,044.16, 63,043 and 16,718.02

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Solution

The fourth proportional to 42,044.16, 63,043 and 16,718.02 is: 25,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,044.16 : 63,043 = 16,718.02 : x
  2. Step 2: Convert to fraction form
    42,044.16/63,043 = 16,718.02/x
  3. Step 3: Cross multiply
    42,044.16x = 63,043 × 16,718.02
  4. Step 4: Simplify right side
    42,044.16x = 1,053,954,134.86
  5. Step 5: Solve for x
    x = 1,053,954,134.86/42,044.16
  6. Step 6: Final answer
    x = 25,067.79

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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.