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Finding the Fourth Proportional to 65,873.92, 98,793.30 and 18,486.22

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Solution

The fourth proportional to 65,873.92, 98,793.30 and 18,486.22 is: 27,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,873.92 : 98,793.30 = 18,486.22 : x
  2. Step 2: Convert to fraction form
    65,873.92/98,793.30 = 18,486.22/x
  3. Step 3: Cross multiply
    65,873.92x = 98,793.30 × 18,486.22
  4. Step 4: Simplify right side
    65,873.92x = 1,826,314,678.33
  5. Step 5: Solve for x
    x = 1,826,314,678.33/65,873.92
  6. Step 6: Final answer
    x = 27,724.40

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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.