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Finding the Fourth Proportional to 1,876.56, 2,572.80 and 1,847.88

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Solution

The fourth proportional to 1,876.56, 2,572.80 and 1,847.88 is: 2,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.56 : 2,572.80 = 1,847.88 : x
  2. Step 2: Convert to fraction form
    1,876.56/2,572.80 = 1,847.88/x
  3. Step 3: Cross multiply
    1,876.56x = 2,572.80 × 1,847.88
  4. Step 4: Simplify right side
    1,876.56x = 4,754,225.66
  5. Step 5: Solve for x
    x = 4,754,225.66/1,876.56
  6. Step 6: Final answer
    x = 2,533.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.