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Finding the Fourth Proportional to 1,565.63, 2,347.08 and 591.10

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Solution

The fourth proportional to 1,565.63, 2,347.08 and 591.10 is: 886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.63 : 2,347.08 = 591.10 : x
  2. Step 2: Convert to fraction form
    1,565.63/2,347.08 = 591.10/x
  3. Step 3: Cross multiply
    1,565.63x = 2,347.08 × 591.10
  4. Step 4: Simplify right side
    1,565.63x = 1,387,350.90
  5. Step 5: Solve for x
    x = 1,387,350.90/1,565.63
  6. Step 6: Final answer
    x = 886.13

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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.