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Finding the Fourth Proportional to 29,581.20, 44,365.32 and 8,521.20

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Solution

The fourth proportional to 29,581.20, 44,365.32 and 8,521.20 is: 12,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,581.20 : 44,365.32 = 8,521.20 : x
  2. Step 2: Convert to fraction form
    29,581.20/44,365.32 = 8,521.20/x
  3. Step 3: Cross multiply
    29,581.20x = 44,365.32 × 8,521.20
  4. Step 4: Simplify right side
    29,581.20x = 378,045,764.78
  5. Step 5: Solve for x
    x = 378,045,764.78/29,581.20
  6. Step 6: Final answer
    x = 12,779.93

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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.