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Finding the Fourth Proportional to 17,630.46, 26,439.48 and 8,862.48

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Solution

The fourth proportional to 17,630.46, 26,439.48 and 8,862.48 is: 13,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.46 : 26,439.48 = 8,862.48 : x
  2. Step 2: Convert to fraction form
    17,630.46/26,439.48 = 8,862.48/x
  3. Step 3: Cross multiply
    17,630.46x = 26,439.48 × 8,862.48
  4. Step 4: Simplify right side
    17,630.46x = 234,319,362.71
  5. Step 5: Solve for x
    x = 234,319,362.71/17,630.46
  6. Step 6: Final answer
    x = 13,290.60

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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.