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Finding the Fourth Proportional to 5,069.60, 7,604.40 and 5,037.20

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Solution

The fourth proportional to 5,069.60, 7,604.40 and 5,037.20 is: 7,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.60 : 7,604.40 = 5,037.20 : x
  2. Step 2: Convert to fraction form
    5,069.60/7,604.40 = 5,037.20/x
  3. Step 3: Cross multiply
    5,069.60x = 7,604.40 × 5,037.20
  4. Step 4: Simplify right side
    5,069.60x = 38,304,883.68
  5. Step 5: Solve for x
    x = 38,304,883.68/5,069.60
  6. Step 6: Final answer
    x = 7,555.80

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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.