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Finding the Fourth Proportional to 12,610.14, 18,916.02 and 4,287.84

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Solution

The fourth proportional to 12,610.14, 18,916.02 and 4,287.84 is: 6,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.14 : 18,916.02 = 4,287.84 : x
  2. Step 2: Convert to fraction form
    12,610.14/18,916.02 = 4,287.84/x
  3. Step 3: Cross multiply
    12,610.14x = 18,916.02 × 4,287.84
  4. Step 4: Simplify right side
    12,610.14x = 81,108,867.20
  5. Step 5: Solve for x
    x = 81,108,867.20/12,610.14
  6. Step 6: Final answer
    x = 6,432.04

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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.