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Finding the Fourth Proportional to 8,543.66, 12,822.12 and 5,929.52

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Solution

The fourth proportional to 8,543.66, 12,822.12 and 5,929.52 is: 8,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.66 : 12,822.12 = 5,929.52 : x
  2. Step 2: Convert to fraction form
    8,543.66/12,822.12 = 5,929.52/x
  3. Step 3: Cross multiply
    8,543.66x = 12,822.12 × 5,929.52
  4. Step 4: Simplify right side
    8,543.66x = 76,028,952.87
  5. Step 5: Solve for x
    x = 76,028,952.87/8,543.66
  6. Step 6: Final answer
    x = 8,898.88

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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.