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Finding the Fourth Proportional to 52,288.80, 78,346.80 and 44,512.80

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Solution

The fourth proportional to 52,288.80, 78,346.80 and 44,512.80 is: 66,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.80 : 78,346.80 = 44,512.80 : x
  2. Step 2: Convert to fraction form
    52,288.80/78,346.80 = 44,512.80/x
  3. Step 3: Cross multiply
    52,288.80x = 78,346.80 × 44,512.80
  4. Step 4: Simplify right side
    52,288.80x = 3,487,435,439.04
  5. Step 5: Solve for x
    x = 3,487,435,439.04/52,288.80
  6. Step 6: Final answer
    x = 66,695.65

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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.