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Finding the Fourth Proportional to 45,273.68, 67,910.53 and 15,691.53

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Solution

The fourth proportional to 45,273.68, 67,910.53 and 15,691.53 is: 23,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.68 : 67,910.53 = 15,691.53 : x
  2. Step 2: Convert to fraction form
    45,273.68/67,910.53 = 15,691.53/x
  3. Step 3: Cross multiply
    45,273.68x = 67,910.53 × 15,691.53
  4. Step 4: Simplify right side
    45,273.68x = 1,065,620,118.81
  5. Step 5: Solve for x
    x = 1,065,620,118.81/45,273.68
  6. Step 6: Final answer
    x = 23,537.30

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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.