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Finding the Fourth Proportional to 60,375.90, 83,319.04 and 37,728.05

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Solution

The fourth proportional to 60,375.90, 83,319.04 and 37,728.05 is: 52,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,375.90 : 83,319.04 = 37,728.05 : x
  2. Step 2: Convert to fraction form
    60,375.90/83,319.04 = 37,728.05/x
  3. Step 3: Cross multiply
    60,375.90x = 83,319.04 × 37,728.05
  4. Step 4: Simplify right side
    60,375.90x = 3,143,464,907.07
  5. Step 5: Solve for x
    x = 3,143,464,907.07/60,375.90
  6. Step 6: Final answer
    x = 52,064.90

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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.