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Finding the Fourth Proportional to 8,842.52, 13,251.36 and 6,985.52

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Solution

The fourth proportional to 8,842.52, 13,251.36 and 6,985.52 is: 10,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.52 : 13,251.36 = 6,985.52 : x
  2. Step 2: Convert to fraction form
    8,842.52/13,251.36 = 6,985.52/x
  3. Step 3: Cross multiply
    8,842.52x = 13,251.36 × 6,985.52
  4. Step 4: Simplify right side
    8,842.52x = 92,567,640.31
  5. Step 5: Solve for x
    x = 92,567,640.31/8,842.52
  6. Step 6: Final answer
    x = 10,468.47

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1.5x scale

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.