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Finding the Fourth Proportional to 1,063.12, 1,594.75 and 283.11

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Solution

The fourth proportional to 1,063.12, 1,594.75 and 283.11 is: 424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.12 : 1,594.75 = 283.11 : x
  2. Step 2: Convert to fraction form
    1,063.12/1,594.75 = 283.11/x
  3. Step 3: Cross multiply
    1,063.12x = 1,594.75 × 283.11
  4. Step 4: Simplify right side
    1,063.12x = 451,488.96
  5. Step 5: Solve for x
    x = 451,488.96/1,063.12
  6. Step 6: Final answer
    x = 424.68

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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.