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Finding the Fourth Proportional to 1,601.17, 2,209.53 and 893.08

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Solution

The fourth proportional to 1,601.17, 2,209.53 and 893.08 is: 1,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.17 : 2,209.53 = 893.08 : x
  2. Step 2: Convert to fraction form
    1,601.17/2,209.53 = 893.08/x
  3. Step 3: Cross multiply
    1,601.17x = 2,209.53 × 893.08
  4. Step 4: Simplify right side
    1,601.17x = 1,973,292.58
  5. Step 5: Solve for x
    x = 1,973,292.58/1,601.17
  6. Step 6: Final answer
    x = 1,232.41

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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.