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Finding the Fourth Proportional to 750.83, 1,036.26 and 573.50

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Solution

The fourth proportional to 750.83, 1,036.26 and 573.50 is: 791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.83 : 1,036.26 = 573.50 : x
  2. Step 2: Convert to fraction form
    750.83/1,036.26 = 573.50/x
  3. Step 3: Cross multiply
    750.83x = 1,036.26 × 573.50
  4. Step 4: Simplify right side
    750.83x = 594,289.93
  5. Step 5: Solve for x
    x = 594,289.93/750.83
  6. Step 6: Final answer
    x = 791.52

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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.