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Finding the Fourth Proportional to 67,031.17, 100,589.13 and 37,468.40

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Solution

The fourth proportional to 67,031.17, 100,589.13 and 37,468.40 is: 56,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,031.17 : 100,589.13 = 37,468.40 : x
  2. Step 2: Convert to fraction form
    67,031.17/100,589.13 = 37,468.40/x
  3. Step 3: Cross multiply
    67,031.17x = 100,589.13 × 37,468.40
  4. Step 4: Simplify right side
    67,031.17x = 3,768,913,255.55
  5. Step 5: Solve for x
    x = 3,768,913,255.55/67,031.17
  6. Step 6: Final answer
    x = 56,226.28

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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.