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Finding the Fourth Proportional to 5,672, 8,508.48 and 1,568

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Solution

The fourth proportional to 5,672, 8,508.48 and 1,568 is: 2,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672 : 8,508.48 = 1,568 : x
  2. Step 2: Convert to fraction form
    5,672/8,508.48 = 1,568/x
  3. Step 3: Cross multiply
    5,672x = 8,508.48 × 1,568
  4. Step 4: Simplify right side
    5,672x = 13,341,296.64
  5. Step 5: Solve for x
    x = 13,341,296.64/5,672
  6. Step 6: Final answer
    x = 2,352.13

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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.