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Finding the Fourth Proportional to 62,689.48, 94,043.02 and 18,319.48

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Solution

The fourth proportional to 62,689.48, 94,043.02 and 18,319.48 is: 27,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,689.48 : 94,043.02 = 18,319.48 : x
  2. Step 2: Convert to fraction form
    62,689.48/94,043.02 = 18,319.48/x
  3. Step 3: Cross multiply
    62,689.48x = 94,043.02 × 18,319.48
  4. Step 4: Simplify right side
    62,689.48x = 1,722,819,224.03
  5. Step 5: Solve for x
    x = 1,722,819,224.03/62,689.48
  6. Step 6: Final answer
    x = 27,481.79

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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.