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Finding the Fourth Proportional to 40,105.80, 60,158.70 and 37,967.40

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Solution

The fourth proportional to 40,105.80, 60,158.70 and 37,967.40 is: 56,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.80 : 60,158.70 = 37,967.40 : x
  2. Step 2: Convert to fraction form
    40,105.80/60,158.70 = 37,967.40/x
  3. Step 3: Cross multiply
    40,105.80x = 60,158.70 × 37,967.40
  4. Step 4: Simplify right side
    40,105.80x = 2,284,069,426.38
  5. Step 5: Solve for x
    x = 2,284,069,426.38/40,105.80
  6. Step 6: Final answer
    x = 56,951.10

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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.