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Finding the Fourth Proportional to 75,266.60, 112,899.90 and 37,941.80

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Solution

The fourth proportional to 75,266.60, 112,899.90 and 37,941.80 is: 56,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,266.60 : 112,899.90 = 37,941.80 : x
  2. Step 2: Convert to fraction form
    75,266.60/112,899.90 = 37,941.80/x
  3. Step 3: Cross multiply
    75,266.60x = 112,899.90 × 37,941.80
  4. Step 4: Simplify right side
    75,266.60x = 4,283,625,425.82
  5. Step 5: Solve for x
    x = 4,283,625,425.82/75,266.60
  6. Step 6: Final answer
    x = 56,912.70

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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.