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Finding the Fourth Proportional to 12,862.48, 17,750.46 and 7,273.48

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Solution

The fourth proportional to 12,862.48, 17,750.46 and 7,273.48 is: 10,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.48 : 17,750.46 = 7,273.48 : x
  2. Step 2: Convert to fraction form
    12,862.48/17,750.46 = 7,273.48/x
  3. Step 3: Cross multiply
    12,862.48x = 17,750.46 × 7,273.48
  4. Step 4: Simplify right side
    12,862.48x = 129,107,615.80
  5. Step 5: Solve for x
    x = 129,107,615.80/12,862.48
  6. Step 6: Final answer
    x = 10,037.54

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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.