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Finding the Fourth Proportional to 3,860.58, 5,800.10 and 2,476.63

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Solution

The fourth proportional to 3,860.58, 5,800.10 and 2,476.63 is: 3,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.58 : 5,800.10 = 2,476.63 : x
  2. Step 2: Convert to fraction form
    3,860.58/5,800.10 = 2,476.63/x
  3. Step 3: Cross multiply
    3,860.58x = 5,800.10 × 2,476.63
  4. Step 4: Simplify right side
    3,860.58x = 14,364,701.66
  5. Step 5: Solve for x
    x = 14,364,701.66/3,860.58
  6. Step 6: Final answer
    x = 3,720.87

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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.