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Finding the Fourth Proportional to 41,999.90, 59,499.89 and 41,999.90

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Solution

The fourth proportional to 41,999.90, 59,499.89 and 41,999.90 is: 59,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,999.90 : 59,499.89 = 41,999.90 : x
  2. Step 2: Convert to fraction form
    41,999.90/59,499.89 = 41,999.90/x
  3. Step 3: Cross multiply
    41,999.90x = 59,499.89 × 41,999.90
  4. Step 4: Simplify right side
    41,999.90x = 2,498,989,430.01
  5. Step 5: Solve for x
    x = 2,498,989,430.01/41,999.90
  6. Step 6: Final answer
    x = 59,499.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.