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Finding the Fourth Proportional to 62,214.80, 85,856.20 and 33,920.48

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Solution

The fourth proportional to 62,214.80, 85,856.20 and 33,920.48 is: 46,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,214.80 : 85,856.20 = 33,920.48 : x
  2. Step 2: Convert to fraction form
    62,214.80/85,856.20 = 33,920.48/x
  3. Step 3: Cross multiply
    62,214.80x = 85,856.20 × 33,920.48
  4. Step 4: Simplify right side
    62,214.80x = 2,912,283,514.98
  5. Step 5: Solve for x
    x = 2,912,283,514.98/62,214.80
  6. Step 6: Final answer
    x = 46,810.14

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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.