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Finding the Fourth Proportional to 1,618.24, 2,427.12 and 592

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Solution

The fourth proportional to 1,618.24, 2,427.12 and 592 is: 887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.24 : 2,427.12 = 592 : x
  2. Step 2: Convert to fraction form
    1,618.24/2,427.12 = 592/x
  3. Step 3: Cross multiply
    1,618.24x = 2,427.12 × 592
  4. Step 4: Simplify right side
    1,618.24x = 1,436,855.04
  5. Step 5: Solve for x
    x = 1,436,855.04/1,618.24
  6. Step 6: Final answer
    x = 887.91

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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.