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Finding the Fourth Proportional to 1,166.95, 1,749.14 and 582.38

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Solution

The fourth proportional to 1,166.95, 1,749.14 and 582.38 is: 872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.95 : 1,749.14 = 582.38 : x
  2. Step 2: Convert to fraction form
    1,166.95/1,749.14 = 582.38/x
  3. Step 3: Cross multiply
    1,166.95x = 1,749.14 × 582.38
  4. Step 4: Simplify right side
    1,166.95x = 1,018,669.98
  5. Step 5: Solve for x
    x = 1,018,669.98/1,166.95
  6. Step 6: Final answer
    x = 872.94

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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.