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Finding the Fourth Proportional to 60,002.56, 90,013.56 and 18,449.56

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Solution

The fourth proportional to 60,002.56, 90,013.56 and 18,449.56 is: 27,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,002.56 : 90,013.56 = 18,449.56 : x
  2. Step 2: Convert to fraction form
    60,002.56/90,013.56 = 18,449.56/x
  3. Step 3: Cross multiply
    60,002.56x = 90,013.56 × 18,449.56
  4. Step 4: Simplify right side
    60,002.56x = 1,660,710,576.03
  5. Step 5: Solve for x
    x = 1,660,710,576.03/60,002.56
  6. Step 6: Final answer
    x = 27,677.33

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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.