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Finding the Fourth Proportional to 8,866.62, 13,288.61 and 4,708.62

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Solution

The fourth proportional to 8,866.62, 13,288.61 and 4,708.62 is: 7,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.62 : 13,288.61 = 4,708.62 : x
  2. Step 2: Convert to fraction form
    8,866.62/13,288.61 = 4,708.62/x
  3. Step 3: Cross multiply
    8,866.62x = 13,288.61 × 4,708.62
  4. Step 4: Simplify right side
    8,866.62x = 62,570,991.28
  5. Step 5: Solve for x
    x = 62,570,991.28/8,866.62
  6. Step 6: Final answer
    x = 7,056.92

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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.