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Finding the Fourth Proportional to 40,306.49, 60,459.65 and 10,724.32

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Solution

The fourth proportional to 40,306.49, 60,459.65 and 10,724.32 is: 16,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,306.49 : 60,459.65 = 10,724.32 : x
  2. Step 2: Convert to fraction form
    40,306.49/60,459.65 = 10,724.32/x
  3. Step 3: Cross multiply
    40,306.49x = 60,459.65 × 10,724.32
  4. Step 4: Simplify right side
    40,306.49x = 648,388,633.69
  5. Step 5: Solve for x
    x = 648,388,633.69/40,306.49
  6. Step 6: Final answer
    x = 16,086.46

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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.