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Finding the Fourth Proportional to 83,676.33, 115,473.33 and 45,435.69

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Solution

The fourth proportional to 83,676.33, 115,473.33 and 45,435.69 is: 62,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,676.33 : 115,473.33 = 45,435.69 : x
  2. Step 2: Convert to fraction form
    83,676.33/115,473.33 = 45,435.69/x
  3. Step 3: Cross multiply
    83,676.33x = 115,473.33 × 45,435.69
  4. Step 4: Simplify right side
    83,676.33x = 5,246,610,425.15
  5. Step 5: Solve for x
    x = 5,246,610,425.15/83,676.33
  6. Step 6: Final answer
    x = 62,701.25

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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.