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Finding the Fourth Proportional to 1,051.44, 1,575.28 and 588.68

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Solution

The fourth proportional to 1,051.44, 1,575.28 and 588.68 is: 881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.44 : 1,575.28 = 588.68 : x
  2. Step 2: Convert to fraction form
    1,051.44/1,575.28 = 588.68/x
  3. Step 3: Cross multiply
    1,051.44x = 1,575.28 × 588.68
  4. Step 4: Simplify right side
    1,051.44x = 927,335.83
  5. Step 5: Solve for x
    x = 927,335.83/1,051.44
  6. Step 6: Final answer
    x = 881.97

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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.