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Finding the Fourth Proportional to 61,647.26, 85,073.19 and 34,795.40

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Solution

The fourth proportional to 61,647.26, 85,073.19 and 34,795.40 is: 48,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,647.26 : 85,073.19 = 34,795.40 : x
  2. Step 2: Convert to fraction form
    61,647.26/85,073.19 = 34,795.40/x
  3. Step 3: Cross multiply
    61,647.26x = 85,073.19 × 34,795.40
  4. Step 4: Simplify right side
    61,647.26x = 2,960,155,675.33
  5. Step 5: Solve for x
    x = 2,960,155,675.33/61,647.26
  6. Step 6: Final answer
    x = 48,017.64

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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.