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Finding the Fourth Proportional to 45,775.67, 68,543.35 and 36,843.53

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Solution

The fourth proportional to 45,775.67, 68,543.35 and 36,843.53 is: 55,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,775.67 : 68,543.35 = 36,843.53 : x
  2. Step 2: Convert to fraction form
    45,775.67/68,543.35 = 36,843.53/x
  3. Step 3: Cross multiply
    45,775.67x = 68,543.35 × 36,843.53
  4. Step 4: Simplify right side
    45,775.67x = 2,525,378,537.20
  5. Step 5: Solve for x
    x = 2,525,378,537.20/45,775.67
  6. Step 6: Final answer
    x = 55,168.58

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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.