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Finding the Fourth Proportional to 5,732.88, 8,599.52 and 1,572.87

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Solution

The fourth proportional to 5,732.88, 8,599.52 and 1,572.87 is: 2,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.88 : 8,599.52 = 1,572.87 : x
  2. Step 2: Convert to fraction form
    5,732.88/8,599.52 = 1,572.87/x
  3. Step 3: Cross multiply
    5,732.88x = 8,599.52 × 1,572.87
  4. Step 4: Simplify right side
    5,732.88x = 13,525,919.16
  5. Step 5: Solve for x
    x = 13,525,919.16/5,732.88
  6. Step 6: Final answer
    x = 2,359.36

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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.