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Finding the Fourth Proportional to 8,876.98, 13,319.40 and 4,659.24

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Solution

The fourth proportional to 8,876.98, 13,319.40 and 4,659.24 is: 6,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.98 : 13,319.40 = 4,659.24 : x
  2. Step 2: Convert to fraction form
    8,876.98/13,319.40 = 4,659.24/x
  3. Step 3: Cross multiply
    8,876.98x = 13,319.40 × 4,659.24
  4. Step 4: Simplify right side
    8,876.98x = 62,058,281.26
  5. Step 5: Solve for x
    x = 62,058,281.26/8,876.98
  6. Step 6: Final answer
    x = 6,990.92

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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.