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Finding the Fourth Proportional to 58,586.90, 80,851.40 and 35,938.38

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Solution

The fourth proportional to 58,586.90, 80,851.40 and 35,938.38 is: 49,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,586.90 : 80,851.40 = 35,938.38 : x
  2. Step 2: Convert to fraction form
    58,586.90/80,851.40 = 35,938.38/x
  3. Step 3: Cross multiply
    58,586.90x = 80,851.40 × 35,938.38
  4. Step 4: Simplify right side
    58,586.90x = 2,905,668,336.73
  5. Step 5: Solve for x
    x = 2,905,668,336.73/58,586.90
  6. Step 6: Final answer
    x = 49,595.87

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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.