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Finding the Fourth Proportional to 1,616.77, 2,232.00 and 1,088.43

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Solution

The fourth proportional to 1,616.77, 2,232.00 and 1,088.43 is: 1,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.77 : 2,232.00 = 1,088.43 : x
  2. Step 2: Convert to fraction form
    1,616.77/2,232.00 = 1,088.43/x
  3. Step 3: Cross multiply
    1,616.77x = 2,232.00 × 1,088.43
  4. Step 4: Simplify right side
    1,616.77x = 2,429,370.32
  5. Step 5: Solve for x
    x = 2,429,370.32/1,616.77
  6. Step 6: Final answer
    x = 1,502.61

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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.