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Finding the Fourth Proportional to 64,351.80, 88,805.57 and 39,201.30

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Solution

The fourth proportional to 64,351.80, 88,805.57 and 39,201.30 is: 54,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,351.80 : 88,805.57 = 39,201.30 : x
  2. Step 2: Convert to fraction form
    64,351.80/88,805.57 = 39,201.30/x
  3. Step 3: Cross multiply
    64,351.80x = 88,805.57 × 39,201.30
  4. Step 4: Simplify right side
    64,351.80x = 3,481,293,595.23
  5. Step 5: Solve for x
    x = 3,481,293,595.23/64,351.80
  6. Step 6: Final answer
    x = 54,097.84

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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.