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Finding the Fourth Proportional to 8,875.62, 12,248.24 and 4,896.72

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Solution

The fourth proportional to 8,875.62, 12,248.24 and 4,896.72 is: 6,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.62 : 12,248.24 = 4,896.72 : x
  2. Step 2: Convert to fraction form
    8,875.62/12,248.24 = 4,896.72/x
  3. Step 3: Cross multiply
    8,875.62x = 12,248.24 × 4,896.72
  4. Step 4: Simplify right side
    8,875.62x = 59,976,177.29
  5. Step 5: Solve for x
    x = 59,976,177.29/8,875.62
  6. Step 6: Final answer
    x = 6,757.41

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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.