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Finding the Fourth Proportional to 3,718.31, 5,577.31 and 1,526.98

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Solution

The fourth proportional to 3,718.31, 5,577.31 and 1,526.98 is: 2,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.31 : 5,577.31 = 1,526.98 : x
  2. Step 2: Convert to fraction form
    3,718.31/5,577.31 = 1,526.98/x
  3. Step 3: Cross multiply
    3,718.31x = 5,577.31 × 1,526.98
  4. Step 4: Simplify right side
    3,718.31x = 8,516,414.97
  5. Step 5: Solve for x
    x = 8,516,414.97/3,718.31
  6. Step 6: Final answer
    x = 2,290.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.