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Finding the Fourth Proportional to 74,660.60, 103,031.63 and 41,126.60

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Solution

The fourth proportional to 74,660.60, 103,031.63 and 41,126.60 is: 56,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660.60 : 103,031.63 = 41,126.60 : x
  2. Step 2: Convert to fraction form
    74,660.60/103,031.63 = 41,126.60/x
  3. Step 3: Cross multiply
    74,660.60x = 103,031.63 × 41,126.60
  4. Step 4: Simplify right side
    74,660.60x = 4,237,340,428.73
  5. Step 5: Solve for x
    x = 4,237,340,428.73/74,660.60
  6. Step 6: Final answer
    x = 56,754.71

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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.