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Finding the Fourth Proportional to 6,515.52, 9,727.68 and 5,962.56

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Solution

The fourth proportional to 6,515.52, 9,727.68 and 5,962.56 is: 8,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.52 : 9,727.68 = 5,962.56 : x
  2. Step 2: Convert to fraction form
    6,515.52/9,727.68 = 5,962.56/x
  3. Step 3: Cross multiply
    6,515.52x = 9,727.68 × 5,962.56
  4. Step 4: Simplify right side
    6,515.52x = 58,001,875.66
  5. Step 5: Solve for x
    x = 58,001,875.66/6,515.52
  6. Step 6: Final answer
    x = 8,902.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.