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Finding the Fourth Proportional to 1,710.87, 2,563.15 and 888.27

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Solution

The fourth proportional to 1,710.87, 2,563.15 and 888.27 is: 1,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.87 : 2,563.15 = 888.27 : x
  2. Step 2: Convert to fraction form
    1,710.87/2,563.15 = 888.27/x
  3. Step 3: Cross multiply
    1,710.87x = 2,563.15 × 888.27
  4. Step 4: Simplify right side
    1,710.87x = 2,276,769.25
  5. Step 5: Solve for x
    x = 2,276,769.25/1,710.87
  6. Step 6: Final answer
    x = 1,330.77

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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.