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Finding the Fourth Proportional to 5,753.16, 8,631.42 and 2,290.92

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Solution

The fourth proportional to 5,753.16, 8,631.42 and 2,290.92 is: 3,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.16 : 8,631.42 = 2,290.92 : x
  2. Step 2: Convert to fraction form
    5,753.16/8,631.42 = 2,290.92/x
  3. Step 3: Cross multiply
    5,753.16x = 8,631.42 × 2,290.92
  4. Step 4: Simplify right side
    5,753.16x = 19,773,892.71
  5. Step 5: Solve for x
    x = 19,773,892.71/5,753.16
  6. Step 6: Final answer
    x = 3,437.05

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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.