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Finding the Fourth Proportional to 1,026.63, 1,416.22 and 695.18

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Solution

The fourth proportional to 1,026.63, 1,416.22 and 695.18 is: 958.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.63 : 1,416.22 = 695.18 : x
  2. Step 2: Convert to fraction form
    1,026.63/1,416.22 = 695.18/x
  3. Step 3: Cross multiply
    1,026.63x = 1,416.22 × 695.18
  4. Step 4: Simplify right side
    1,026.63x = 984,527.82
  5. Step 5: Solve for x
    x = 984,527.82/1,026.63
  6. Step 6: Final answer
    x = 958.99

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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.