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Finding the Fourth Proportional to 38,697.98, 58,047.03 and 10,618.41

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Solution

The fourth proportional to 38,697.98, 58,047.03 and 10,618.41 is: 15,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,697.98 : 58,047.03 = 10,618.41 : x
  2. Step 2: Convert to fraction form
    38,697.98/58,047.03 = 10,618.41/x
  3. Step 3: Cross multiply
    38,697.98x = 58,047.03 × 10,618.41
  4. Step 4: Simplify right side
    38,697.98x = 616,367,163.82
  5. Step 5: Solve for x
    x = 616,367,163.82/38,697.98
  6. Step 6: Final answer
    x = 15,927.63

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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.