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Finding the Fourth Proportional to 8,734, 13,097.80 and 2,888.88

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Solution

The fourth proportional to 8,734, 13,097.80 and 2,888.88 is: 4,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734 : 13,097.80 = 2,888.88 : x
  2. Step 2: Convert to fraction form
    8,734/13,097.80 = 2,888.88/x
  3. Step 3: Cross multiply
    8,734x = 13,097.80 × 2,888.88
  4. Step 4: Simplify right side
    8,734x = 37,837,972.46
  5. Step 5: Solve for x
    x = 37,837,972.46/8,734
  6. Step 6: Final answer
    x = 4,332.26

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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.