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Finding the Fourth Proportional to 1,822.21, 2,733.68 and 589.93

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Solution

The fourth proportional to 1,822.21, 2,733.68 and 589.93 is: 885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.21 : 2,733.68 = 589.93 : x
  2. Step 2: Convert to fraction form
    1,822.21/2,733.68 = 589.93/x
  3. Step 3: Cross multiply
    1,822.21x = 2,733.68 × 589.93
  4. Step 4: Simplify right side
    1,822.21x = 1,612,679.84
  5. Step 5: Solve for x
    x = 1,612,679.84/1,822.21
  6. Step 6: Final answer
    x = 885.01

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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.