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Finding the Fourth Proportional to 1,881.83, 2,823.12 and 583.25

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Solution

The fourth proportional to 1,881.83, 2,823.12 and 583.25 is: 874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.83 : 2,823.12 = 583.25 : x
  2. Step 2: Convert to fraction form
    1,881.83/2,823.12 = 583.25/x
  3. Step 3: Cross multiply
    1,881.83x = 2,823.12 × 583.25
  4. Step 4: Simplify right side
    1,881.83x = 1,646,584.74
  5. Step 5: Solve for x
    x = 1,646,584.74/1,881.83
  6. Step 6: Final answer
    x = 874.99

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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.