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Finding the Fourth Proportional to 62,215.80, 85,857.78 and 35,358.36

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Solution

The fourth proportional to 62,215.80, 85,857.78 and 35,358.36 is: 48,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,215.80 : 85,857.78 = 35,358.36 : x
  2. Step 2: Convert to fraction form
    62,215.80/85,857.78 = 35,358.36/x
  3. Step 3: Cross multiply
    62,215.80x = 85,857.78 × 35,358.36
  4. Step 4: Simplify right side
    62,215.80x = 3,035,790,294.04
  5. Step 5: Solve for x
    x = 3,035,790,294.04/62,215.80
  6. Step 6: Final answer
    x = 48,794.52

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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.