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Finding the Fourth Proportional to 5,001.84, 7,502.58 and 1,539

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Solution

The fourth proportional to 5,001.84, 7,502.58 and 1,539 is: 2,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.84 : 7,502.58 = 1,539 : x
  2. Step 2: Convert to fraction form
    5,001.84/7,502.58 = 1,539/x
  3. Step 3: Cross multiply
    5,001.84x = 7,502.58 × 1,539
  4. Step 4: Simplify right side
    5,001.84x = 11,546,470.62
  5. Step 5: Solve for x
    x = 11,546,470.62/5,001.84
  6. Step 6: Final answer
    x = 2,308.44

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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.