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Finding the Fourth Proportional to 40,007.40, 60,014.03 and 13,711.92

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Solution

The fourth proportional to 40,007.40, 60,014.03 and 13,711.92 is: 20,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.40 : 60,014.03 = 13,711.92 : x
  2. Step 2: Convert to fraction form
    40,007.40/60,014.03 = 13,711.92/x
  3. Step 3: Cross multiply
    40,007.40x = 60,014.03 × 13,711.92
  4. Step 4: Simplify right side
    40,007.40x = 822,907,509.68
  5. Step 5: Solve for x
    x = 822,907,509.68/40,007.40
  6. Step 6: Final answer
    x = 20,568.88

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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.