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Finding the Fourth Proportional to 61,487.55, 84,858.89 and 35,992.38

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Solution

The fourth proportional to 61,487.55, 84,858.89 and 35,992.38 is: 49,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,487.55 : 84,858.89 = 35,992.38 : x
  2. Step 2: Convert to fraction form
    61,487.55/84,858.89 = 35,992.38/x
  3. Step 3: Cross multiply
    61,487.55x = 84,858.89 × 35,992.38
  4. Step 4: Simplify right side
    61,487.55x = 3,054,273,235.30
  5. Step 5: Solve for x
    x = 3,054,273,235.30/61,487.55
  6. Step 6: Final answer
    x = 49,673.04

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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.