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Finding the Fourth Proportional to 1,807.04, 2,493.88 and 1,098.82

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Solution

The fourth proportional to 1,807.04, 2,493.88 and 1,098.82 is: 1,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.04 : 2,493.88 = 1,098.82 : x
  2. Step 2: Convert to fraction form
    1,807.04/2,493.88 = 1,098.82/x
  3. Step 3: Cross multiply
    1,807.04x = 2,493.88 × 1,098.82
  4. Step 4: Simplify right side
    1,807.04x = 2,740,317.74
  5. Step 5: Solve for x
    x = 2,740,317.74/1,807.04
  6. Step 6: Final answer
    x = 1,516.47

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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.