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Finding the Fourth Proportional to 53,159.59, 79,739.96 and 22,760.63

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Solution

The fourth proportional to 53,159.59, 79,739.96 and 22,760.63 is: 34,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.59 : 79,739.96 = 22,760.63 : x
  2. Step 2: Convert to fraction form
    53,159.59/79,739.96 = 22,760.63/x
  3. Step 3: Cross multiply
    53,159.59x = 79,739.96 × 22,760.63
  4. Step 4: Simplify right side
    53,159.59x = 1,814,931,640.33
  5. Step 5: Solve for x
    x = 1,814,931,640.33/53,159.59
  6. Step 6: Final answer
    x = 34,141.19

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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.