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Finding the Fourth Proportional to 73,094.85, 100,870.83 and 39,560.85

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Solution

The fourth proportional to 73,094.85, 100,870.83 and 39,560.85 is: 54,593.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,094.85 : 100,870.83 = 39,560.85 : x
  2. Step 2: Convert to fraction form
    73,094.85/100,870.83 = 39,560.85/x
  3. Step 3: Cross multiply
    73,094.85x = 100,870.83 × 39,560.85
  4. Step 4: Simplify right side
    73,094.85x = 3,990,535,775.01
  5. Step 5: Solve for x
    x = 3,990,535,775.01/73,094.85
  6. Step 6: Final answer
    x = 54,593.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.