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Finding the Fourth Proportional to 4,862.88, 6,708.48 and 3,536

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Solution

The fourth proportional to 4,862.88, 6,708.48 and 3,536 is: 4,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.88 : 6,708.48 = 3,536 : x
  2. Step 2: Convert to fraction form
    4,862.88/6,708.48 = 3,536/x
  3. Step 3: Cross multiply
    4,862.88x = 6,708.48 × 3,536
  4. Step 4: Simplify right side
    4,862.88x = 23,721,185.28
  5. Step 5: Solve for x
    x = 23,721,185.28/4,862.88
  6. Step 6: Final answer
    x = 4,878.01

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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.