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Finding the Fourth Proportional to 4,894.32, 6,752.20 and 2,798

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Solution

The fourth proportional to 4,894.32, 6,752.20 and 2,798 is: 3,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.32 : 6,752.20 = 2,798 : x
  2. Step 2: Convert to fraction form
    4,894.32/6,752.20 = 2,798/x
  3. Step 3: Cross multiply
    4,894.32x = 6,752.20 × 2,798
  4. Step 4: Simplify right side
    4,894.32x = 18,892,655.60
  5. Step 5: Solve for x
    x = 18,892,655.60/4,894.32
  6. Step 6: Final answer
    x = 3,860.12

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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.