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Finding the Fourth Proportional to 29,876.54, 44,814.48 and 7,689.83

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Solution

The fourth proportional to 29,876.54, 44,814.48 and 7,689.83 is: 11,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.54 : 44,814.48 = 7,689.83 : x
  2. Step 2: Convert to fraction form
    29,876.54/44,814.48 = 7,689.83/x
  3. Step 3: Cross multiply
    29,876.54x = 44,814.48 × 7,689.83
  4. Step 4: Simplify right side
    29,876.54x = 344,615,508.67
  5. Step 5: Solve for x
    x = 344,615,508.67/29,876.54
  6. Step 6: Final answer
    x = 11,534.65

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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.