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Finding the Fourth Proportional to 12,672.04, 19,010.46 and 5,747.08

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Solution

The fourth proportional to 12,672.04, 19,010.46 and 5,747.08 is: 8,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.04 : 19,010.46 = 5,747.08 : x
  2. Step 2: Convert to fraction form
    12,672.04/19,010.46 = 5,747.08/x
  3. Step 3: Cross multiply
    12,672.04x = 19,010.46 × 5,747.08
  4. Step 4: Simplify right side
    12,672.04x = 109,254,634.46
  5. Step 5: Solve for x
    x = 109,254,634.46/12,672.04
  6. Step 6: Final answer
    x = 8,621.71

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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.