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Finding the Fourth Proportional to 52,291.80, 78,437.70 and 44,418.60

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Solution

The fourth proportional to 52,291.80, 78,437.70 and 44,418.60 is: 66,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.80 : 78,437.70 = 44,418.60 : x
  2. Step 2: Convert to fraction form
    52,291.80/78,437.70 = 44,418.60/x
  3. Step 3: Cross multiply
    52,291.80x = 78,437.70 × 44,418.60
  4. Step 4: Simplify right side
    52,291.80x = 3,484,092,821.22
  5. Step 5: Solve for x
    x = 3,484,092,821.22/52,291.80
  6. Step 6: Final answer
    x = 66,627.90

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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.