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Finding the Fourth Proportional to 57,999.90, 86,999.85 and 41,087.10

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Solution

The fourth proportional to 57,999.90, 86,999.85 and 41,087.10 is: 61,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.90 : 86,999.85 = 41,087.10 : x
  2. Step 2: Convert to fraction form
    57,999.90/86,999.85 = 41,087.10/x
  3. Step 3: Cross multiply
    57,999.90x = 86,999.85 × 41,087.10
  4. Step 4: Simplify right side
    57,999.90x = 3,574,571,536.94
  5. Step 5: Solve for x
    x = 3,574,571,536.94/57,999.90
  6. Step 6: Final answer
    x = 61,630.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.