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Finding the Fourth Proportional to 8,876.64, 13,304.61 and 6,678.30

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Solution

The fourth proportional to 8,876.64, 13,304.61 and 6,678.30 is: 10,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.64 : 13,304.61 = 6,678.30 : x
  2. Step 2: Convert to fraction form
    8,876.64/13,304.61 = 6,678.30/x
  3. Step 3: Cross multiply
    8,876.64x = 13,304.61 × 6,678.30
  4. Step 4: Simplify right side
    8,876.64x = 88,852,176.96
  5. Step 5: Solve for x
    x = 88,852,176.96/8,876.64
  6. Step 6: Final answer
    x = 10,009.66

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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.