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Finding the Fourth Proportional to 8,765.65, 13,148.59 and 2,922.26

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Solution

The fourth proportional to 8,765.65, 13,148.59 and 2,922.26 is: 4,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.65 : 13,148.59 = 2,922.26 : x
  2. Step 2: Convert to fraction form
    8,765.65/13,148.59 = 2,922.26/x
  3. Step 3: Cross multiply
    8,765.65x = 13,148.59 × 2,922.26
  4. Step 4: Simplify right side
    8,765.65x = 38,423,605.00
  5. Step 5: Solve for x
    x = 38,423,605.00/8,765.65
  6. Step 6: Final answer
    x = 4,383.43

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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.