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Finding the Fourth Proportional to 83,998.58, 115,918.02 and 46,272.82

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Solution

The fourth proportional to 83,998.58, 115,918.02 and 46,272.82 is: 63,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,998.58 : 115,918.02 = 46,272.82 : x
  2. Step 2: Convert to fraction form
    83,998.58/115,918.02 = 46,272.82/x
  3. Step 3: Cross multiply
    83,998.58x = 115,918.02 × 46,272.82
  4. Step 4: Simplify right side
    83,998.58x = 5,363,853,674.22
  5. Step 5: Solve for x
    x = 5,363,853,674.22/83,998.58
  6. Step 6: Final answer
    x = 63,856.48

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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.