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Finding the Fourth Proportional to 1,036.86, 1,556.01 and 524.22

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Solution

The fourth proportional to 1,036.86, 1,556.01 and 524.22 is: 786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.86 : 1,556.01 = 524.22 : x
  2. Step 2: Convert to fraction form
    1,036.86/1,556.01 = 524.22/x
  3. Step 3: Cross multiply
    1,036.86x = 1,556.01 × 524.22
  4. Step 4: Simplify right side
    1,036.86x = 815,691.56
  5. Step 5: Solve for x
    x = 815,691.56/1,036.86
  6. Step 6: Final answer
    x = 786.69

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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.