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Finding the Fourth Proportional to 62,722.88, 86,552.16 and 35,856.80

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Solution

The fourth proportional to 62,722.88, 86,552.16 and 35,856.80 is: 49,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,722.88 : 86,552.16 = 35,856.80 : x
  2. Step 2: Convert to fraction form
    62,722.88/86,552.16 = 35,856.80/x
  3. Step 3: Cross multiply
    62,722.88x = 86,552.16 × 35,856.80
  4. Step 4: Simplify right side
    62,722.88x = 3,103,483,490.69
  5. Step 5: Solve for x
    x = 3,103,483,490.69/62,722.88
  6. Step 6: Final answer
    x = 49,479.29

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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.