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Finding the Fourth Proportional to 60,375.90, 83,319.05 and 37,728.06

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Solution

The fourth proportional to 60,375.90, 83,319.05 and 37,728.06 is: 52,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,375.90 : 83,319.05 = 37,728.06 : x
  2. Step 2: Convert to fraction form
    60,375.90/83,319.05 = 37,728.06/x
  3. Step 3: Cross multiply
    60,375.90x = 83,319.05 × 37,728.06
  4. Step 4: Simplify right side
    60,375.90x = 3,143,466,117.54
  5. Step 5: Solve for x
    x = 3,143,466,117.54/60,375.90
  6. Step 6: Final answer
    x = 52,064.92

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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.