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Finding the Fourth Proportional to 62,609.66, 86,401.16 and 33,930.12

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Solution

The fourth proportional to 62,609.66, 86,401.16 and 33,930.12 is: 46,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,609.66 : 86,401.16 = 33,930.12 : x
  2. Step 2: Convert to fraction form
    62,609.66/86,401.16 = 33,930.12/x
  3. Step 3: Cross multiply
    62,609.66x = 86,401.16 × 33,930.12
  4. Step 4: Simplify right side
    62,609.66x = 2,931,601,726.94
  5. Step 5: Solve for x
    x = 2,931,601,726.94/62,609.66
  6. Step 6: Final answer
    x = 46,823.47

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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.