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Finding the Fourth Proportional to 11,207.04, 16,787.88 and 5,652.64

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Solution

The fourth proportional to 11,207.04, 16,787.88 and 5,652.64 is: 8,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.04 : 16,787.88 = 5,652.64 : x
  2. Step 2: Convert to fraction form
    11,207.04/16,787.88 = 5,652.64/x
  3. Step 3: Cross multiply
    11,207.04x = 16,787.88 × 5,652.64
  4. Step 4: Simplify right side
    11,207.04x = 94,895,842.00
  5. Step 5: Solve for x
    x = 94,895,842.00/11,207.04
  6. Step 6: Final answer
    x = 8,467.52

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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.