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Finding the Fourth Proportional to 1,051.71, 1,451.43 and 585.96

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Solution

The fourth proportional to 1,051.71, 1,451.43 and 585.96 is: 808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.71 : 1,451.43 = 585.96 : x
  2. Step 2: Convert to fraction form
    1,051.71/1,451.43 = 585.96/x
  3. Step 3: Cross multiply
    1,051.71x = 1,451.43 × 585.96
  4. Step 4: Simplify right side
    1,051.71x = 850,479.92
  5. Step 5: Solve for x
    x = 850,479.92/1,051.71
  6. Step 6: Final answer
    x = 808.66

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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.