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Finding the Fourth Proportional to 60,902.80, 91,451.40 and 44,378.80

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Solution

The fourth proportional to 60,902.80, 91,451.40 and 44,378.80 is: 66,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,902.80 : 91,451.40 = 44,378.80 : x
  2. Step 2: Convert to fraction form
    60,902.80/91,451.40 = 44,378.80/x
  3. Step 3: Cross multiply
    60,902.80x = 91,451.40 × 44,378.80
  4. Step 4: Simplify right side
    60,902.80x = 4,058,503,390.32
  5. Step 5: Solve for x
    x = 4,058,503,390.32/60,902.80
  6. Step 6: Final answer
    x = 66,639.03

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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.