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Finding the Fourth Proportional to 52,648.80, 78,886.80 and 44,872.80

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Solution

The fourth proportional to 52,648.80, 78,886.80 and 44,872.80 is: 67,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.80 : 78,886.80 = 44,872.80 : x
  2. Step 2: Convert to fraction form
    52,648.80/78,886.80 = 44,872.80/x
  3. Step 3: Cross multiply
    52,648.80x = 78,886.80 × 44,872.80
  4. Step 4: Simplify right side
    52,648.80x = 3,539,871,599.04
  5. Step 5: Solve for x
    x = 3,539,871,599.04/52,648.80
  6. Step 6: Final answer
    x = 67,235.56

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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.