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Finding the Fourth Proportional to 11,042.70, 16,572.15 and 7,343.70

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Solution

The fourth proportional to 11,042.70, 16,572.15 and 7,343.70 is: 11,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.70 : 16,572.15 = 7,343.70 : x
  2. Step 2: Convert to fraction form
    11,042.70/16,572.15 = 7,343.70/x
  3. Step 3: Cross multiply
    11,042.70x = 16,572.15 × 7,343.70
  4. Step 4: Simplify right side
    11,042.70x = 121,700,897.96
  5. Step 5: Solve for x
    x = 121,700,897.96/11,042.70
  6. Step 6: Final answer
    x = 11,020.94

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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.