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Finding the Fourth Proportional to 9,808.60, 13,535.78 and 5,332.36

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Solution

The fourth proportional to 9,808.60, 13,535.78 and 5,332.36 is: 7,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.60 : 13,535.78 = 5,332.36 : x
  2. Step 2: Convert to fraction form
    9,808.60/13,535.78 = 5,332.36/x
  3. Step 3: Cross multiply
    9,808.60x = 13,535.78 × 5,332.36
  4. Step 4: Simplify right side
    9,808.60x = 72,177,651.84
  5. Step 5: Solve for x
    x = 72,177,651.84/9,808.60
  6. Step 6: Final answer
    x = 7,358.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.