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Finding the Fourth Proportional to 60,645.06, 90,867.02 and 36,880.72

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Solution

The fourth proportional to 60,645.06, 90,867.02 and 36,880.72 is: 55,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,645.06 : 90,867.02 = 36,880.72 : x
  2. Step 2: Convert to fraction form
    60,645.06/90,867.02 = 36,880.72/x
  3. Step 3: Cross multiply
    60,645.06x = 90,867.02 × 36,880.72
  4. Step 4: Simplify right side
    60,645.06x = 3,351,241,121.85
  5. Step 5: Solve for x
    x = 3,351,241,121.85/60,645.06
  6. Step 6: Final answer
    x = 55,259.92

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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.