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Finding the Fourth Proportional to 23,159.92, 34,739.92 and 5,629.76

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Solution

The fourth proportional to 23,159.92, 34,739.92 and 5,629.76 is: 8,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.92 : 34,739.92 = 5,629.76 : x
  2. Step 2: Convert to fraction form
    23,159.92/34,739.92 = 5,629.76/x
  3. Step 3: Cross multiply
    23,159.92x = 34,739.92 × 5,629.76
  4. Step 4: Simplify right side
    23,159.92x = 195,577,412.02
  5. Step 5: Solve for x
    x = 195,577,412.02/23,159.92
  6. Step 6: Final answer
    x = 8,444.65

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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.