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Finding the Fourth Proportional to 61,717.60, 85,169.76 and 33,423.04

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Solution

The fourth proportional to 61,717.60, 85,169.76 and 33,423.04 is: 46,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,717.60 : 85,169.76 = 33,423.04 : x
  2. Step 2: Convert to fraction form
    61,717.60/85,169.76 = 33,423.04/x
  3. Step 3: Cross multiply
    61,717.60x = 85,169.76 × 33,423.04
  4. Step 4: Simplify right side
    61,717.60x = 2,846,632,295.27
  5. Step 5: Solve for x
    x = 2,846,632,295.27/61,717.60
  6. Step 6: Final answer
    x = 46,123.51

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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.