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Finding the Fourth Proportional to 1,844.80, 2,762.02 and 1,671.80

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Solution

The fourth proportional to 1,844.80, 2,762.02 and 1,671.80 is: 2,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.80 : 2,762.02 = 1,671.80 : x
  2. Step 2: Convert to fraction form
    1,844.80/2,762.02 = 1,671.80/x
  3. Step 3: Cross multiply
    1,844.80x = 2,762.02 × 1,671.80
  4. Step 4: Simplify right side
    1,844.80x = 4,617,545.04
  5. Step 5: Solve for x
    x = 4,617,545.04/1,844.80
  6. Step 6: Final answer
    x = 2,503.01

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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.