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Finding the Fourth Proportional to 11,070.70, 16,610.10 and 10,665.70

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Solution

The fourth proportional to 11,070.70, 16,610.10 and 10,665.70 is: 16,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.70 : 16,610.10 = 10,665.70 : x
  2. Step 2: Convert to fraction form
    11,070.70/16,610.10 = 10,665.70/x
  3. Step 3: Cross multiply
    11,070.70x = 16,610.10 × 10,665.70
  4. Step 4: Simplify right side
    11,070.70x = 177,158,343.57
  5. Step 5: Solve for x
    x = 177,158,343.57/11,070.70
  6. Step 6: Final answer
    x = 16,002.45

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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.