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Finding the Fourth Proportional to 1,596.71, 2,203.67 and 898.22

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Solution

The fourth proportional to 1,596.71, 2,203.67 and 898.22 is: 1,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.71 : 2,203.67 = 898.22 : x
  2. Step 2: Convert to fraction form
    1,596.71/2,203.67 = 898.22/x
  3. Step 3: Cross multiply
    1,596.71x = 2,203.67 × 898.22
  4. Step 4: Simplify right side
    1,596.71x = 1,979,380.47
  5. Step 5: Solve for x
    x = 1,979,380.47/1,596.71
  6. Step 6: Final answer
    x = 1,239.66

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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.