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Finding the Fourth Proportional to 1,565.53, 2,347.54 and 591.01

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Solution

The fourth proportional to 1,565.53, 2,347.54 and 591.01 is: 886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.53 : 2,347.54 = 591.01 : x
  2. Step 2: Convert to fraction form
    1,565.53/2,347.54 = 591.01/x
  3. Step 3: Cross multiply
    1,565.53x = 2,347.54 × 591.01
  4. Step 4: Simplify right side
    1,565.53x = 1,387,419.62
  5. Step 5: Solve for x
    x = 1,387,419.62/1,565.53
  6. Step 6: Final answer
    x = 886.23

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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.