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Finding the Fourth Proportional to 1,362.90, 2,044.71 and 582.51

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Solution

The fourth proportional to 1,362.90, 2,044.71 and 582.51 is: 873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.90 : 2,044.71 = 582.51 : x
  2. Step 2: Convert to fraction form
    1,362.90/2,044.71 = 582.51/x
  3. Step 3: Cross multiply
    1,362.90x = 2,044.71 × 582.51
  4. Step 4: Simplify right side
    1,362.90x = 1,191,064.02
  5. Step 5: Solve for x
    x = 1,191,064.02/1,362.90
  6. Step 6: Final answer
    x = 873.92

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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.