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Finding the Fourth Proportional to 61,016.67, 84,206.67 and 39,795.48

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Solution

The fourth proportional to 61,016.67, 84,206.67 and 39,795.48 is: 54,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,016.67 : 84,206.67 = 39,795.48 : x
  2. Step 2: Convert to fraction form
    61,016.67/84,206.67 = 39,795.48/x
  3. Step 3: Cross multiply
    61,016.67x = 84,206.67 × 39,795.48
  4. Step 4: Simplify right side
    61,016.67x = 3,351,044,851.85
  5. Step 5: Solve for x
    x = 3,351,044,851.85/61,016.67
  6. Step 6: Final answer
    x = 54,920.15

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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.