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Finding the Fourth Proportional to 16,042.70, 24,042.80 and 11,615.16

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Solution

The fourth proportional to 16,042.70, 24,042.80 and 11,615.16 is: 17,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,042.70 : 24,042.80 = 11,615.16 : x
  2. Step 2: Convert to fraction form
    16,042.70/24,042.80 = 11,615.16/x
  3. Step 3: Cross multiply
    16,042.70x = 24,042.80 × 11,615.16
  4. Step 4: Simplify right side
    16,042.70x = 279,260,910.77
  5. Step 5: Solve for x
    x = 279,260,910.77/16,042.70
  6. Step 6: Final answer
    x = 17,407.36

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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.