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Finding the Fourth Proportional to 60,396.80, 90,576.97 and 25,328.66

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Solution

The fourth proportional to 60,396.80, 90,576.97 and 25,328.66 is: 37,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,396.80 : 90,576.97 = 25,328.66 : x
  2. Step 2: Convert to fraction form
    60,396.80/90,576.97 = 25,328.66/x
  3. Step 3: Cross multiply
    60,396.80x = 90,576.97 × 25,328.66
  4. Step 4: Simplify right side
    60,396.80x = 2,294,192,760.75
  5. Step 5: Solve for x
    x = 2,294,192,760.75/60,396.80
  6. Step 6: Final answer
    x = 37,985.34

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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.