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Finding the Fourth Proportional to 1,598.18, 2,396.91 and 572.18

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Solution

The fourth proportional to 1,598.18, 2,396.91 and 572.18 is: 858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.18 : 2,396.91 = 572.18 : x
  2. Step 2: Convert to fraction form
    1,598.18/2,396.91 = 572.18/x
  3. Step 3: Cross multiply
    1,598.18x = 2,396.91 × 572.18
  4. Step 4: Simplify right side
    1,598.18x = 1,371,463.96
  5. Step 5: Solve for x
    x = 1,371,463.96/1,598.18
  6. Step 6: Final answer
    x = 858.14

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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.