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Finding the Fourth Proportional to 40,658.22, 60,944.12 and 19,585.12

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Solution

The fourth proportional to 40,658.22, 60,944.12 and 19,585.12 is: 29,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,658.22 : 60,944.12 = 19,585.12 : x
  2. Step 2: Convert to fraction form
    40,658.22/60,944.12 = 19,585.12/x
  3. Step 3: Cross multiply
    40,658.22x = 60,944.12 × 19,585.12
  4. Step 4: Simplify right side
    40,658.22x = 1,193,597,903.49
  5. Step 5: Solve for x
    x = 1,193,597,903.49/40,658.22
  6. Step 6: Final answer
    x = 29,356.87

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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.