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Finding the Fourth Proportional to 29,647.80, 44,384.49 and 18,520.76

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Solution

The fourth proportional to 29,647.80, 44,384.49 and 18,520.76 is: 27,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.80 : 44,384.49 = 18,520.76 : x
  2. Step 2: Convert to fraction form
    29,647.80/44,384.49 = 18,520.76/x
  3. Step 3: Cross multiply
    29,647.80x = 44,384.49 × 18,520.76
  4. Step 4: Simplify right side
    29,647.80x = 822,034,597.97
  5. Step 5: Solve for x
    x = 822,034,597.97/29,647.80
  6. Step 6: Final answer
    x = 27,726.66

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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.