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Finding the Fourth Proportional to 60,672.60, 91,008.90 and 45,910.35

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Solution

The fourth proportional to 60,672.60, 91,008.90 and 45,910.35 is: 68,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672.60 : 91,008.90 = 45,910.35 : x
  2. Step 2: Convert to fraction form
    60,672.60/91,008.90 = 45,910.35/x
  3. Step 3: Cross multiply
    60,672.60x = 91,008.90 × 45,910.35
  4. Step 4: Simplify right side
    60,672.60x = 4,178,250,452.12
  5. Step 5: Solve for x
    x = 4,178,250,452.12/60,672.60
  6. Step 6: Final answer
    x = 68,865.53

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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.