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Finding the Fourth Proportional to 62,479.94, 86,223.56 and 34,186.23

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Solution

The fourth proportional to 62,479.94, 86,223.56 and 34,186.23 is: 47,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,479.94 : 86,223.56 = 34,186.23 : x
  2. Step 2: Convert to fraction form
    62,479.94/86,223.56 = 34,186.23/x
  3. Step 3: Cross multiply
    62,479.94x = 86,223.56 × 34,186.23
  4. Step 4: Simplify right side
    62,479.94x = 2,947,658,282.65
  5. Step 5: Solve for x
    x = 2,947,658,282.65/62,479.94
  6. Step 6: Final answer
    x = 47,177.68

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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.