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Finding the Fourth Proportional to 8,701.56, 12,008.04 and 4,976.28

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Solution

The fourth proportional to 8,701.56, 12,008.04 and 4,976.28 is: 6,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.56 : 12,008.04 = 4,976.28 : x
  2. Step 2: Convert to fraction form
    8,701.56/12,008.04 = 4,976.28/x
  3. Step 3: Cross multiply
    8,701.56x = 12,008.04 × 4,976.28
  4. Step 4: Simplify right side
    8,701.56x = 59,755,369.29
  5. Step 5: Solve for x
    x = 59,755,369.29/8,701.56
  6. Step 6: Final answer
    x = 6,867.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.