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Finding the Fourth Proportional to 1,859.02, 2,789.14 and 1,164.84

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Solution

The fourth proportional to 1,859.02, 2,789.14 and 1,164.84 is: 1,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.02 : 2,789.14 = 1,164.84 : x
  2. Step 2: Convert to fraction form
    1,859.02/2,789.14 = 1,164.84/x
  3. Step 3: Cross multiply
    1,859.02x = 2,789.14 × 1,164.84
  4. Step 4: Simplify right side
    1,859.02x = 3,248,901.84
  5. Step 5: Solve for x
    x = 3,248,901.84/1,859.02
  6. Step 6: Final answer
    x = 1,747.64

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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.