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Finding the Fourth Proportional to 1,881.47, 2,822.01 and 582.95

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Solution

The fourth proportional to 1,881.47, 2,822.01 and 582.95 is: 874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.47 : 2,822.01 = 582.95 : x
  2. Step 2: Convert to fraction form
    1,881.47/2,822.01 = 582.95/x
  3. Step 3: Cross multiply
    1,881.47x = 2,822.01 × 582.95
  4. Step 4: Simplify right side
    1,881.47x = 1,645,090.73
  5. Step 5: Solve for x
    x = 1,645,090.73/1,881.47
  6. Step 6: Final answer
    x = 874.36

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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.