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Finding the Fourth Proportional to 45,803.75, 63,209.16 and 25,660.62

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Solution

The fourth proportional to 45,803.75, 63,209.16 and 25,660.62 is: 35,411.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,803.75 : 63,209.16 = 25,660.62 : x
  2. Step 2: Convert to fraction form
    45,803.75/63,209.16 = 25,660.62/x
  3. Step 3: Cross multiply
    45,803.75x = 63,209.16 × 25,660.62
  4. Step 4: Simplify right side
    45,803.75x = 1,621,986,235.28
  5. Step 5: Solve for x
    x = 1,621,986,235.28/45,803.75
  6. Step 6: Final answer
    x = 35,411.65

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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.