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Finding the Fourth Proportional to 25,382, 35,042.52 and 16,565.36

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Solution

The fourth proportional to 25,382, 35,042.52 and 16,565.36 is: 22,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382 : 35,042.52 = 16,565.36 : x
  2. Step 2: Convert to fraction form
    25,382/35,042.52 = 16,565.36/x
  3. Step 3: Cross multiply
    25,382x = 35,042.52 × 16,565.36
  4. Step 4: Simplify right side
    25,382x = 580,491,959.11
  5. Step 5: Solve for x
    x = 580,491,959.11/25,382
  6. Step 6: Final answer
    x = 22,870.22

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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.