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Finding the Fourth Proportional to 61,265.82, 84,284.34 and 58,641.42

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Solution

The fourth proportional to 61,265.82, 84,284.34 and 58,641.42 is: 80,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,265.82 : 84,284.34 = 58,641.42 : x
  2. Step 2: Convert to fraction form
    61,265.82/84,284.34 = 58,641.42/x
  3. Step 3: Cross multiply
    61,265.82x = 84,284.34 × 58,641.42
  4. Step 4: Simplify right side
    61,265.82x = 4,942,553,381.36
  5. Step 5: Solve for x
    x = 4,942,553,381.36/61,265.82
  6. Step 6: Final answer
    x = 80,673.91

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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.