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Finding the Fourth Proportional to 73,686.57, 101,689.80 and 41,853.57

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Solution

The fourth proportional to 73,686.57, 101,689.80 and 41,853.57 is: 57,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,686.57 : 101,689.80 = 41,853.57 : x
  2. Step 2: Convert to fraction form
    73,686.57/101,689.80 = 41,853.57/x
  3. Step 3: Cross multiply
    73,686.57x = 101,689.80 × 41,853.57
  4. Step 4: Simplify right side
    73,686.57x = 4,256,081,162.59
  5. Step 5: Solve for x
    x = 4,256,081,162.59/73,686.57
  6. Step 6: Final answer
    x = 57,759.25

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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.