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Finding the Fourth Proportional to 52,552.80, 78,829.20 and 44,679.60

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Solution

The fourth proportional to 52,552.80, 78,829.20 and 44,679.60 is: 67,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,552.80 : 78,829.20 = 44,679.60 : x
  2. Step 2: Convert to fraction form
    52,552.80/78,829.20 = 44,679.60/x
  3. Step 3: Cross multiply
    52,552.80x = 78,829.20 × 44,679.60
  4. Step 4: Simplify right side
    52,552.80x = 3,522,057,124.32
  5. Step 5: Solve for x
    x = 3,522,057,124.32/52,552.80
  6. Step 6: Final answer
    x = 67,019.40

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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.