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Finding the Fourth Proportional to 8,701.73, 12,008.27 and 4,722.74

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Solution

The fourth proportional to 8,701.73, 12,008.27 and 4,722.74 is: 6,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.73 : 12,008.27 = 4,722.74 : x
  2. Step 2: Convert to fraction form
    8,701.73/12,008.27 = 4,722.74/x
  3. Step 3: Cross multiply
    8,701.73x = 12,008.27 × 4,722.74
  4. Step 4: Simplify right side
    8,701.73x = 56,711,913.45
  5. Step 5: Solve for x
    x = 56,711,913.45/8,701.73
  6. Step 6: Final answer
    x = 6,517.31

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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.