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Finding the Fourth Proportional to 8,876.32, 13,314.48 and 4,983.48

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Solution

The fourth proportional to 8,876.32, 13,314.48 and 4,983.48 is: 7,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.32 : 13,314.48 = 4,983.48 : x
  2. Step 2: Convert to fraction form
    8,876.32/13,314.48 = 4,983.48/x
  3. Step 3: Cross multiply
    8,876.32x = 13,314.48 × 4,983.48
  4. Step 4: Simplify right side
    8,876.32x = 66,352,444.79
  5. Step 5: Solve for x
    x = 66,352,444.79/8,876.32
  6. Step 6: Final answer
    x = 7,475.22

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Similar ratio
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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.