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Finding the Fourth Proportional to 45,750, 63,137.88 and 25,608.24

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Solution

The fourth proportional to 45,750, 63,137.88 and 25,608.24 is: 35,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,750 : 63,137.88 = 25,608.24 : x
  2. Step 2: Convert to fraction form
    45,750/63,137.88 = 25,608.24/x
  3. Step 3: Cross multiply
    45,750x = 63,137.88 × 25,608.24
  4. Step 4: Simplify right side
    45,750x = 1,616,849,984.13
  5. Step 5: Solve for x
    x = 1,616,849,984.13/45,750
  6. Step 6: Final answer
    x = 35,340.98

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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.