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Finding the Fourth Proportional to 10,489.99, 14,475.15 and 6,012.71

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Solution

The fourth proportional to 10,489.99, 14,475.15 and 6,012.71 is: 8,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.99 : 14,475.15 = 6,012.71 : x
  2. Step 2: Convert to fraction form
    10,489.99/14,475.15 = 6,012.71/x
  3. Step 3: Cross multiply
    10,489.99x = 14,475.15 × 6,012.71
  4. Step 4: Simplify right side
    10,489.99x = 87,034,915.34
  5. Step 5: Solve for x
    x = 87,034,915.34/10,489.99
  6. Step 6: Final answer
    x = 8,296.95

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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.