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Finding the Fourth Proportional to 62,988.96, 86,891.67 and 37,477.20

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Solution

The fourth proportional to 62,988.96, 86,891.67 and 37,477.20 is: 51,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,988.96 : 86,891.67 = 37,477.20 : x
  2. Step 2: Convert to fraction form
    62,988.96/86,891.67 = 37,477.20/x
  3. Step 3: Cross multiply
    62,988.96x = 86,891.67 × 37,477.20
  4. Step 4: Simplify right side
    62,988.96x = 3,256,456,494.92
  5. Step 5: Solve for x
    x = 3,256,456,494.92/62,988.96
  6. Step 6: Final answer
    x = 51,698.85

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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.