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Finding the Fourth Proportional to 53,296.92, 79,945.02 and 17,760.96

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Solution

The fourth proportional to 53,296.92, 79,945.02 and 17,760.96 is: 26,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,296.92 : 79,945.02 = 17,760.96 : x
  2. Step 2: Convert to fraction form
    53,296.92/79,945.02 = 17,760.96/x
  3. Step 3: Cross multiply
    53,296.92x = 79,945.02 × 17,760.96
  4. Step 4: Simplify right side
    53,296.92x = 1,419,900,302.42
  5. Step 5: Solve for x
    x = 1,419,900,302.42/53,296.92
  6. Step 6: Final answer
    x = 26,641.32

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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.