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Finding the Fourth Proportional to 62,840.65, 86,760.71 and 41,648.65

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Solution

The fourth proportional to 62,840.65, 86,760.71 and 41,648.65 is: 57,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,840.65 : 86,760.71 = 41,648.65 : x
  2. Step 2: Convert to fraction form
    62,840.65/86,760.71 = 41,648.65/x
  3. Step 3: Cross multiply
    62,840.65x = 86,760.71 × 41,648.65
  4. Step 4: Simplify right side
    62,840.65x = 3,613,466,236.30
  5. Step 5: Solve for x
    x = 3,613,466,236.30/62,840.65
  6. Step 6: Final answer
    x = 57,502.05

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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.