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Finding the Fourth Proportional to 57,810.40, 86,764.98 and 41,211.04

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Solution

The fourth proportional to 57,810.40, 86,764.98 and 41,211.04 is: 61,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,810.40 : 86,764.98 = 41,211.04 : x
  2. Step 2: Convert to fraction form
    57,810.40/86,764.98 = 41,211.04/x
  3. Step 3: Cross multiply
    57,810.40x = 86,764.98 × 41,211.04
  4. Step 4: Simplify right side
    57,810.40x = 3,575,675,061.38
  5. Step 5: Solve for x
    x = 3,575,675,061.38/57,810.40
  6. Step 6: Final answer
    x = 61,851.76

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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.