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Finding the Fourth Proportional to 12,927.76, 17,847.11 and 8,701.05

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Solution

The fourth proportional to 12,927.76, 17,847.11 and 8,701.05 is: 12,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.76 : 17,847.11 = 8,701.05 : x
  2. Step 2: Convert to fraction form
    12,927.76/17,847.11 = 8,701.05/x
  3. Step 3: Cross multiply
    12,927.76x = 17,847.11 × 8,701.05
  4. Step 4: Simplify right side
    12,927.76x = 155,288,510.09
  5. Step 5: Solve for x
    x = 155,288,510.09/12,927.76
  6. Step 6: Final answer
    x = 12,012.02

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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.