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Finding the Fourth Proportional to 45,908.48, 63,354.48 and 25,490

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Solution

The fourth proportional to 45,908.48, 63,354.48 and 25,490 is: 35,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,908.48 : 63,354.48 = 25,490 : x
  2. Step 2: Convert to fraction form
    45,908.48/63,354.48 = 25,490/x
  3. Step 3: Cross multiply
    45,908.48x = 63,354.48 × 25,490
  4. Step 4: Simplify right side
    45,908.48x = 1,614,905,695.20
  5. Step 5: Solve for x
    x = 1,614,905,695.20/45,908.48
  6. Step 6: Final answer
    x = 35,176.63

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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.