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Finding the Fourth Proportional to 65,779.91, 98,669.66 and 23,659.92

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Solution

The fourth proportional to 65,779.91, 98,669.66 and 23,659.92 is: 35,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,779.91 : 98,669.66 = 23,659.92 : x
  2. Step 2: Convert to fraction form
    65,779.91/98,669.66 = 23,659.92/x
  3. Step 3: Cross multiply
    65,779.91x = 98,669.66 × 23,659.92
  4. Step 4: Simplify right side
    65,779.91x = 2,334,516,143.73
  5. Step 5: Solve for x
    x = 2,334,516,143.73/65,779.91
  6. Step 6: Final answer
    x = 35,489.81

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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.