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Finding the Fourth Proportional to 1,898.77, 2,844.04 and 1,203.71

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Solution

The fourth proportional to 1,898.77, 2,844.04 and 1,203.71 is: 1,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.77 : 2,844.04 = 1,203.71 : x
  2. Step 2: Convert to fraction form
    1,898.77/2,844.04 = 1,203.71/x
  3. Step 3: Cross multiply
    1,898.77x = 2,844.04 × 1,203.71
  4. Step 4: Simplify right side
    1,898.77x = 3,423,397.03
  5. Step 5: Solve for x
    x = 3,423,397.03/1,898.77
  6. Step 6: Final answer
    x = 1,802.96

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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.