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Finding the Fourth Proportional to 62,896.88, 86,799.32 and 34,218.32

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Solution

The fourth proportional to 62,896.88, 86,799.32 and 34,218.32 is: 47,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,896.88 : 86,799.32 = 34,218.32 : x
  2. Step 2: Convert to fraction form
    62,896.88/86,799.32 = 34,218.32/x
  3. Step 3: Cross multiply
    62,896.88x = 86,799.32 × 34,218.32
  4. Step 4: Simplify right side
    62,896.88x = 2,970,126,907.54
  5. Step 5: Solve for x
    x = 2,970,126,907.54/62,896.88
  6. Step 6: Final answer
    x = 47,222.17

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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.