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Finding the Fourth Proportional to 45,874.68, 63,307.02 and 25,731.72

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Solution

The fourth proportional to 45,874.68, 63,307.02 and 25,731.72 is: 35,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,874.68 : 63,307.02 = 25,731.72 : x
  2. Step 2: Convert to fraction form
    45,874.68/63,307.02 = 25,731.72/x
  3. Step 3: Cross multiply
    45,874.68x = 63,307.02 × 25,731.72
  4. Step 4: Simplify right side
    45,874.68x = 1,628,998,512.67
  5. Step 5: Solve for x
    x = 1,628,998,512.67/45,874.68
  6. Step 6: Final answer
    x = 35,509.75

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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.