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Finding the Fourth Proportional to 1,332.47, 1,996.95 and 591.83

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Solution

The fourth proportional to 1,332.47, 1,996.95 and 591.83 is: 886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.47 : 1,996.95 = 591.83 : x
  2. Step 2: Convert to fraction form
    1,332.47/1,996.95 = 591.83/x
  3. Step 3: Cross multiply
    1,332.47x = 1,996.95 × 591.83
  4. Step 4: Simplify right side
    1,332.47x = 1,181,844.93
  5. Step 5: Solve for x
    x = 1,181,844.93/1,332.47
  6. Step 6: Final answer
    x = 886.96

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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.