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Finding the Fourth Proportional to 40,393.65, 60,589.59 and 10,811.49

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Solution

The fourth proportional to 40,393.65, 60,589.59 and 10,811.49 is: 16,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.65 : 60,589.59 = 10,811.49 : x
  2. Step 2: Convert to fraction form
    40,393.65/60,589.59 = 10,811.49/x
  3. Step 3: Cross multiply
    40,393.65x = 60,589.59 × 10,811.49
  4. Step 4: Simplify right side
    40,393.65x = 655,063,746.39
  5. Step 5: Solve for x
    x = 655,063,746.39/40,393.65
  6. Step 6: Final answer
    x = 16,217.00

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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.