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Finding the Fourth Proportional to 49,998.40, 74,911.20 and 32,459.20

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Solution

The fourth proportional to 49,998.40, 74,911.20 and 32,459.20 is: 48,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,998.40 : 74,911.20 = 32,459.20 : x
  2. Step 2: Convert to fraction form
    49,998.40/74,911.20 = 32,459.20/x
  3. Step 3: Cross multiply
    49,998.40x = 74,911.20 × 32,459.20
  4. Step 4: Simplify right side
    49,998.40x = 2,431,557,623.04
  5. Step 5: Solve for x
    x = 2,431,557,623.04/49,998.40
  6. Step 6: Final answer
    x = 48,632.71

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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.