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Finding the Fourth Proportional to 1,026.16, 1,416 and 584.12

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Solution

The fourth proportional to 1,026.16, 1,416 and 584.12 is: 806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.16 : 1,416 = 584.12 : x
  2. Step 2: Convert to fraction form
    1,026.16/1,416 = 584.12/x
  3. Step 3: Cross multiply
    1,026.16x = 1,416 × 584.12
  4. Step 4: Simplify right side
    1,026.16x = 827,113.92
  5. Step 5: Solve for x
    x = 827,113.92/1,026.16
  6. Step 6: Final answer
    x = 806.03

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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.