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Finding the Fourth Proportional to 60,727.30, 91,069.08 and 25,669.68

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Solution

The fourth proportional to 60,727.30, 91,069.08 and 25,669.68 is: 38,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,727.30 : 91,069.08 = 25,669.68 : x
  2. Step 2: Convert to fraction form
    60,727.30/91,069.08 = 25,669.68/x
  3. Step 3: Cross multiply
    60,727.30x = 91,069.08 × 25,669.68
  4. Step 4: Simplify right side
    60,727.30x = 2,337,714,141.49
  5. Step 5: Solve for x
    x = 2,337,714,141.49/60,727.30
  6. Step 6: Final answer
    x = 38,495.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.