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Finding the Fourth Proportional to 34,319.60, 51,378.60 and 25,593.20

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Solution

The fourth proportional to 34,319.60, 51,378.60 and 25,593.20 is: 38,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,319.60 : 51,378.60 = 25,593.20 : x
  2. Step 2: Convert to fraction form
    34,319.60/51,378.60 = 25,593.20/x
  3. Step 3: Cross multiply
    34,319.60x = 51,378.60 × 25,593.20
  4. Step 4: Simplify right side
    34,319.60x = 1,314,942,785.52
  5. Step 5: Solve for x
    x = 1,314,942,785.52/34,319.60
  6. Step 6: Final answer
    x = 38,314.63

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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.