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Finding the Fourth Proportional to 3,710.63, 5,558.98 and 1,859.58

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Solution

The fourth proportional to 3,710.63, 5,558.98 and 1,859.58 is: 2,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.63 : 5,558.98 = 1,859.58 : x
  2. Step 2: Convert to fraction form
    3,710.63/5,558.98 = 1,859.58/x
  3. Step 3: Cross multiply
    3,710.63x = 5,558.98 × 1,859.58
  4. Step 4: Simplify right side
    3,710.63x = 10,337,368.03
  5. Step 5: Solve for x
    x = 10,337,368.03/3,710.63
  6. Step 6: Final answer
    x = 2,785.88

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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.