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Finding the Fourth Proportional to 4,968.88, 7,454.16 and 2,046.40

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Solution

The fourth proportional to 4,968.88, 7,454.16 and 2,046.40 is: 3,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.88 : 7,454.16 = 2,046.40 : x
  2. Step 2: Convert to fraction form
    4,968.88/7,454.16 = 2,046.40/x
  3. Step 3: Cross multiply
    4,968.88x = 7,454.16 × 2,046.40
  4. Step 4: Simplify right side
    4,968.88x = 15,254,193.02
  5. Step 5: Solve for x
    x = 15,254,193.02/4,968.88
  6. Step 6: Final answer
    x = 3,069.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.