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Finding the Fourth Proportional to 12,086.59, 18,113.02 and 6,527.97

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Solution

The fourth proportional to 12,086.59, 18,113.02 and 6,527.97 is: 9,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086.59 : 18,113.02 = 6,527.97 : x
  2. Step 2: Convert to fraction form
    12,086.59/18,113.02 = 6,527.97/x
  3. Step 3: Cross multiply
    12,086.59x = 18,113.02 × 6,527.97
  4. Step 4: Simplify right side
    12,086.59x = 118,241,251.17
  5. Step 5: Solve for x
    x = 118,241,251.17/12,086.59
  6. Step 6: Final answer
    x = 9,782.85

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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.