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Finding the Fourth Proportional to 842.93, 1,259.95 and 732.37

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Solution

The fourth proportional to 842.93, 1,259.95 and 732.37 is: 1,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    842.93 : 1,259.95 = 732.37 : x
  2. Step 2: Convert to fraction form
    842.93/1,259.95 = 732.37/x
  3. Step 3: Cross multiply
    842.93x = 1,259.95 × 732.37
  4. Step 4: Simplify right side
    842.93x = 922,749.58
  5. Step 5: Solve for x
    x = 922,749.58/842.93
  6. Step 6: Final answer
    x = 1,094.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.