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Finding the Fourth Proportional to 40,496.96, 60,740.62 and 10,917.11

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Solution

The fourth proportional to 40,496.96, 60,740.62 and 10,917.11 is: 16,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.96 : 60,740.62 = 10,917.11 : x
  2. Step 2: Convert to fraction form
    40,496.96/60,740.62 = 10,917.11/x
  3. Step 3: Cross multiply
    40,496.96x = 60,740.62 × 10,917.11
  4. Step 4: Simplify right side
    40,496.96x = 663,112,154.57
  5. Step 5: Solve for x
    x = 663,112,154.57/40,496.96
  6. Step 6: Final answer
    x = 16,374.37

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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.