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Finding the Fourth Proportional to 25,701.31, 35,454.12 and 15,632.83

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Solution

The fourth proportional to 25,701.31, 35,454.12 and 15,632.83 is: 21,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.31 : 35,454.12 = 15,632.83 : x
  2. Step 2: Convert to fraction form
    25,701.31/35,454.12 = 15,632.83/x
  3. Step 3: Cross multiply
    25,701.31x = 35,454.12 × 15,632.83
  4. Step 4: Simplify right side
    25,701.31x = 554,248,053.49
  5. Step 5: Solve for x
    x = 554,248,053.49/25,701.31
  6. Step 6: Final answer
    x = 21,564.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.