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Finding the Fourth Proportional to 8,463.68, 12,695.52 and 4,999.04

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Solution

The fourth proportional to 8,463.68, 12,695.52 and 4,999.04 is: 7,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.68 : 12,695.52 = 4,999.04 : x
  2. Step 2: Convert to fraction form
    8,463.68/12,695.52 = 4,999.04/x
  3. Step 3: Cross multiply
    8,463.68x = 12,695.52 × 4,999.04
  4. Step 4: Simplify right side
    8,463.68x = 63,465,412.30
  5. Step 5: Solve for x
    x = 63,465,412.30/8,463.68
  6. Step 6: Final answer
    x = 7,498.56

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1.5x scale

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.