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Finding the Fourth Proportional to 62,948.08, 86,869 and 34,654.48

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Solution

The fourth proportional to 62,948.08, 86,869 and 34,654.48 is: 47,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,948.08 : 86,869 = 34,654.48 : x
  2. Step 2: Convert to fraction form
    62,948.08/86,869 = 34,654.48/x
  3. Step 3: Cross multiply
    62,948.08x = 86,869 × 34,654.48
  4. Step 4: Simplify right side
    62,948.08x = 3,010,400,023.12
  5. Step 5: Solve for x
    x = 3,010,400,023.12/62,948.08
  6. Step 6: Final answer
    x = 47,823.54

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1.5x scale

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.