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Finding the Fourth Proportional to 7,358.60, 11,037.88 and 5,177.08

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Solution

The fourth proportional to 7,358.60, 11,037.88 and 5,177.08 is: 7,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.60 : 11,037.88 = 5,177.08 : x
  2. Step 2: Convert to fraction form
    7,358.60/11,037.88 = 5,177.08/x
  3. Step 3: Cross multiply
    7,358.60x = 11,037.88 × 5,177.08
  4. Step 4: Simplify right side
    7,358.60x = 57,143,987.79
  5. Step 5: Solve for x
    x = 57,143,987.79/7,358.60
  6. Step 6: Final answer
    x = 7,765.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.