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Finding the Fourth Proportional to 1,337.07, 2,006.57 and 568.11

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Solution

The fourth proportional to 1,337.07, 2,006.57 and 568.11 is: 852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.07 : 2,006.57 = 568.11 : x
  2. Step 2: Convert to fraction form
    1,337.07/2,006.57 = 568.11/x
  3. Step 3: Cross multiply
    1,337.07x = 2,006.57 × 568.11
  4. Step 4: Simplify right side
    1,337.07x = 1,139,949.64
  5. Step 5: Solve for x
    x = 1,139,949.64/1,337.07
  6. Step 6: Final answer
    x = 852.57

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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.