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Finding the Fourth Proportional to 6,387.52, 8,814.36 and 3,592.48

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Solution

The fourth proportional to 6,387.52, 8,814.36 and 3,592.48 is: 4,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.52 : 8,814.36 = 3,592.48 : x
  2. Step 2: Convert to fraction form
    6,387.52/8,814.36 = 3,592.48/x
  3. Step 3: Cross multiply
    6,387.52x = 8,814.36 × 3,592.48
  4. Step 4: Simplify right side
    6,387.52x = 31,665,412.01
  5. Step 5: Solve for x
    x = 31,665,412.01/6,387.52
  6. Step 6: Final answer
    x = 4,957.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.