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Finding the Fourth Proportional to 61,907.95, 85,469.43 and 37,718.04

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Solution

The fourth proportional to 61,907.95, 85,469.43 and 37,718.04 is: 52,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,907.95 : 85,469.43 = 37,718.04 : x
  2. Step 2: Convert to fraction form
    61,907.95/85,469.43 = 37,718.04/x
  3. Step 3: Cross multiply
    61,907.95x = 85,469.43 × 37,718.04
  4. Step 4: Simplify right side
    61,907.95x = 3,223,739,148.54
  5. Step 5: Solve for x
    x = 3,223,739,148.54/61,907.95
  6. Step 6: Final answer
    x = 52,073.11

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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.