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Finding the Fourth Proportional to 1,088.75, 1,633.12 and 267.01

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Solution

The fourth proportional to 1,088.75, 1,633.12 and 267.01 is: 400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.75 : 1,633.12 = 267.01 : x
  2. Step 2: Convert to fraction form
    1,088.75/1,633.12 = 267.01/x
  3. Step 3: Cross multiply
    1,088.75x = 1,633.12 × 267.01
  4. Step 4: Simplify right side
    1,088.75x = 436,060.75
  5. Step 5: Solve for x
    x = 436,060.75/1,088.75
  6. Step 6: Final answer
    x = 400.52

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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.