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Finding the Fourth Proportional to 3,255.71, 4,492.88 and 1,763.63

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Solution

The fourth proportional to 3,255.71, 4,492.88 and 1,763.63 is: 2,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.71 : 4,492.88 = 1,763.63 : x
  2. Step 2: Convert to fraction form
    3,255.71/4,492.88 = 1,763.63/x
  3. Step 3: Cross multiply
    3,255.71x = 4,492.88 × 1,763.63
  4. Step 4: Simplify right side
    3,255.71x = 7,923,746.67
  5. Step 5: Solve for x
    x = 7,923,746.67/3,255.71
  6. Step 6: Final answer
    x = 2,433.80

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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.