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Finding the Fourth Proportional to 8,866.92, 13,301.67 and 4,705.86

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Solution

The fourth proportional to 8,866.92, 13,301.67 and 4,705.86 is: 7,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.92 : 13,301.67 = 4,705.86 : x
  2. Step 2: Convert to fraction form
    8,866.92/13,301.67 = 4,705.86/x
  3. Step 3: Cross multiply
    8,866.92x = 13,301.67 × 4,705.86
  4. Step 4: Simplify right side
    8,866.92x = 62,595,796.79
  5. Step 5: Solve for x
    x = 62,595,796.79/8,866.92
  6. Step 6: Final answer
    x = 7,059.47

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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.