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Finding the Fourth Proportional to 60,613.76, 83,640.99 and 33,758.76

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Solution

The fourth proportional to 60,613.76, 83,640.99 and 33,758.76 is: 46,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,613.76 : 83,640.99 = 33,758.76 : x
  2. Step 2: Convert to fraction form
    60,613.76/83,640.99 = 33,758.76/x
  3. Step 3: Cross multiply
    60,613.76x = 83,640.99 × 33,758.76
  4. Step 4: Simplify right side
    60,613.76x = 2,823,616,107.57
  5. Step 5: Solve for x
    x = 2,823,616,107.57/60,613.76
  6. Step 6: Final answer
    x = 46,583.75

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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.