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Finding the Fourth Proportional to 1,066.08, 1,599.24 and 633.24

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Solution

The fourth proportional to 1,066.08, 1,599.24 and 633.24 is: 949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.08 : 1,599.24 = 633.24 : x
  2. Step 2: Convert to fraction form
    1,066.08/1,599.24 = 633.24/x
  3. Step 3: Cross multiply
    1,066.08x = 1,599.24 × 633.24
  4. Step 4: Simplify right side
    1,066.08x = 1,012,702.74
  5. Step 5: Solve for x
    x = 1,012,702.74/1,066.08
  6. Step 6: Final answer
    x = 949.93

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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.