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Finding the Fourth Proportional to 68,763.77, 94,901.87 and 38,557.25

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Solution

The fourth proportional to 68,763.77, 94,901.87 and 38,557.25 is: 53,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,763.77 : 94,901.87 = 38,557.25 : x
  2. Step 2: Convert to fraction form
    68,763.77/94,901.87 = 38,557.25/x
  3. Step 3: Cross multiply
    68,763.77x = 94,901.87 × 38,557.25
  4. Step 4: Simplify right side
    68,763.77x = 3,659,155,127.06
  5. Step 5: Solve for x
    x = 3,659,155,127.06/68,763.77
  6. Step 6: Final answer
    x = 53,213.42

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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.