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Finding the Fourth Proportional to 1,876.03, 2,810.31 and 1,722.94

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Solution

The fourth proportional to 1,876.03, 2,810.31 and 1,722.94 is: 2,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.03 : 2,810.31 = 1,722.94 : x
  2. Step 2: Convert to fraction form
    1,876.03/2,810.31 = 1,722.94/x
  3. Step 3: Cross multiply
    1,876.03x = 2,810.31 × 1,722.94
  4. Step 4: Simplify right side
    1,876.03x = 4,841,995.51
  5. Step 5: Solve for x
    x = 4,841,995.51/1,876.03
  6. Step 6: Final answer
    x = 2,580.98

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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.