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Finding the Fourth Proportional to 83,019.92, 124,530.72 and 23,855.44

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Solution

The fourth proportional to 83,019.92, 124,530.72 and 23,855.44 is: 35,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,019.92 : 124,530.72 = 23,855.44 : x
  2. Step 2: Convert to fraction form
    83,019.92/124,530.72 = 23,855.44/x
  3. Step 3: Cross multiply
    83,019.92x = 124,530.72 × 23,855.44
  4. Step 4: Simplify right side
    83,019.92x = 2,970,735,119.12
  5. Step 5: Solve for x
    x = 2,970,735,119.12/83,019.92
  6. Step 6: Final answer
    x = 35,783.40

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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.