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Finding the Fourth Proportional to 1,596.87, 2,203.72 and 888.76

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Solution

The fourth proportional to 1,596.87, 2,203.72 and 888.76 is: 1,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.87 : 2,203.72 = 888.76 : x
  2. Step 2: Convert to fraction form
    1,596.87/2,203.72 = 888.76/x
  3. Step 3: Cross multiply
    1,596.87x = 2,203.72 × 888.76
  4. Step 4: Simplify right side
    1,596.87x = 1,958,570.46
  5. Step 5: Solve for x
    x = 1,958,570.46/1,596.87
  6. Step 6: Final answer
    x = 1,226.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.