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Finding the Fourth Proportional to 67,458.40, 101,132.64 and 25,314.80

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Solution

The fourth proportional to 67,458.40, 101,132.64 and 25,314.80 is: 37,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.40 : 101,132.64 = 25,314.80 : x
  2. Step 2: Convert to fraction form
    67,458.40/101,132.64 = 25,314.80/x
  3. Step 3: Cross multiply
    67,458.40x = 101,132.64 × 25,314.80
  4. Step 4: Simplify right side
    67,458.40x = 2,560,152,555.07
  5. Step 5: Solve for x
    x = 2,560,152,555.07/67,458.40
  6. Step 6: Final answer
    x = 37,951.58

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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.