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Finding the Fourth Proportional to 62,100, 85,719.60 and 36,948.96

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Solution

The fourth proportional to 62,100, 85,719.60 and 36,948.96 is: 51,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100 : 85,719.60 = 36,948.96 : x
  2. Step 2: Convert to fraction form
    62,100/85,719.60 = 36,948.96/x
  3. Step 3: Cross multiply
    62,100x = 85,719.60 × 36,948.96
  4. Step 4: Simplify right side
    62,100x = 3,167,250,071.62
  5. Step 5: Solve for x
    x = 3,167,250,071.62/62,100
  6. Step 6: Final answer
    x = 51,002.42

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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.