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Finding the Fourth Proportional to 7,508.64, 11,265.84 and 2,892

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Solution

The fourth proportional to 7,508.64, 11,265.84 and 2,892 is: 4,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.64 : 11,265.84 = 2,892 : x
  2. Step 2: Convert to fraction form
    7,508.64/11,265.84 = 2,892/x
  3. Step 3: Cross multiply
    7,508.64x = 11,265.84 × 2,892
  4. Step 4: Simplify right side
    7,508.64x = 32,580,809.28
  5. Step 5: Solve for x
    x = 32,580,809.28/7,508.64
  6. Step 6: Final answer
    x = 4,339.11

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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.