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Finding the Fourth Proportional to 53,686.24, 80,531.04 and 25,609.34

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Solution

The fourth proportional to 53,686.24, 80,531.04 and 25,609.34 is: 38,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.24 : 80,531.04 = 25,609.34 : x
  2. Step 2: Convert to fraction form
    53,686.24/80,531.04 = 25,609.34/x
  3. Step 3: Cross multiply
    53,686.24x = 80,531.04 × 25,609.34
  4. Step 4: Simplify right side
    53,686.24x = 2,062,346,783.91
  5. Step 5: Solve for x
    x = 2,062,346,783.91/53,686.24
  6. Step 6: Final answer
    x = 38,414.81

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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.