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Finding the Fourth Proportional to 61,725.66, 85,183.02 and 37,838.58

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Solution

The fourth proportional to 61,725.66, 85,183.02 and 37,838.58 is: 52,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,725.66 : 85,183.02 = 37,838.58 : x
  2. Step 2: Convert to fraction form
    61,725.66/85,183.02 = 37,838.58/x
  3. Step 3: Cross multiply
    61,725.66x = 85,183.02 × 37,838.58
  4. Step 4: Simplify right side
    61,725.66x = 3,223,204,516.91
  5. Step 5: Solve for x
    x = 3,223,204,516.91/61,725.66
  6. Step 6: Final answer
    x = 52,218.23

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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.