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Finding the Fourth Proportional to 1,785.83, 2,464.44 and 999.88

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Solution

The fourth proportional to 1,785.83, 2,464.44 and 999.88 is: 1,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.83 : 2,464.44 = 999.88 : x
  2. Step 2: Convert to fraction form
    1,785.83/2,464.44 = 999.88/x
  3. Step 3: Cross multiply
    1,785.83x = 2,464.44 × 999.88
  4. Step 4: Simplify right side
    1,785.83x = 2,464,134.36
  5. Step 5: Solve for x
    x = 2,464,134.36/1,785.83
  6. Step 6: Final answer
    x = 1,379.83

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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.