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Finding the Fourth Proportional to 83,342.88, 115,010.30 and 47,544.48

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Solution

The fourth proportional to 83,342.88, 115,010.30 and 47,544.48 is: 65,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,342.88 : 115,010.30 = 47,544.48 : x
  2. Step 2: Convert to fraction form
    83,342.88/115,010.30 = 47,544.48/x
  3. Step 3: Cross multiply
    83,342.88x = 115,010.30 × 47,544.48
  4. Step 4: Simplify right side
    83,342.88x = 5,468,104,908.14
  5. Step 5: Solve for x
    x = 5,468,104,908.14/83,342.88
  6. Step 6: Final answer
    x = 65,609.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.