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Finding the Fourth Proportional to 48,602.43, 67,031.71 and 40,811.18

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Solution

The fourth proportional to 48,602.43, 67,031.71 and 40,811.18 is: 56,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,602.43 : 67,031.71 = 40,811.18 : x
  2. Step 2: Convert to fraction form
    48,602.43/67,031.71 = 40,811.18/x
  3. Step 3: Cross multiply
    48,602.43x = 67,031.71 × 40,811.18
  4. Step 4: Simplify right side
    48,602.43x = 2,735,642,745.33
  5. Step 5: Solve for x
    x = 2,735,642,745.33/48,602.43
  6. Step 6: Final answer
    x = 56,286.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.