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Finding the Fourth Proportional to 62,307.79, 85,986.22 and 34,013.68

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Solution

The fourth proportional to 62,307.79, 85,986.22 and 34,013.68 is: 46,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,307.79 : 85,986.22 = 34,013.68 : x
  2. Step 2: Convert to fraction form
    62,307.79/85,986.22 = 34,013.68/x
  3. Step 3: Cross multiply
    62,307.79x = 85,986.22 × 34,013.68
  4. Step 4: Simplify right side
    62,307.79x = 2,924,707,341.56
  5. Step 5: Solve for x
    x = 2,924,707,341.56/62,307.79
  6. Step 6: Final answer
    x = 46,939.68

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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.