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Finding the Fourth Proportional to 15,218.76, 22,832.52 and 8,984.48

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Solution

The fourth proportional to 15,218.76, 22,832.52 and 8,984.48 is: 13,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.76 : 22,832.52 = 8,984.48 : x
  2. Step 2: Convert to fraction form
    15,218.76/22,832.52 = 8,984.48/x
  3. Step 3: Cross multiply
    15,218.76x = 22,832.52 × 8,984.48
  4. Step 4: Simplify right side
    15,218.76x = 205,138,319.29
  5. Step 5: Solve for x
    x = 205,138,319.29/15,218.76
  6. Step 6: Final answer
    x = 13,479.31

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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.