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Finding the Fourth Proportional to 29,484.80, 44,227.20 and 9,766.40

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Solution

The fourth proportional to 29,484.80, 44,227.20 and 9,766.40 is: 14,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,484.80 : 44,227.20 = 9,766.40 : x
  2. Step 2: Convert to fraction form
    29,484.80/44,227.20 = 9,766.40/x
  3. Step 3: Cross multiply
    29,484.80x = 44,227.20 × 9,766.40
  4. Step 4: Simplify right side
    29,484.80x = 431,940,526.08
  5. Step 5: Solve for x
    x = 431,940,526.08/29,484.80
  6. Step 6: Final answer
    x = 14,649.60

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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.