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Finding the Fourth Proportional to 4,782, 6,599.16 and 2,686.08

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Solution

The fourth proportional to 4,782, 6,599.16 and 2,686.08 is: 3,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782 : 6,599.16 = 2,686.08 : x
  2. Step 2: Convert to fraction form
    4,782/6,599.16 = 2,686.08/x
  3. Step 3: Cross multiply
    4,782x = 6,599.16 × 2,686.08
  4. Step 4: Simplify right side
    4,782x = 17,725,871.69
  5. Step 5: Solve for x
    x = 17,725,871.69/4,782
  6. Step 6: Final answer
    x = 3,706.79

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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.