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Finding the Fourth Proportional to 8,807.66, 13,212.98 and 2,962.88

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Solution

The fourth proportional to 8,807.66, 13,212.98 and 2,962.88 is: 4,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.66 : 13,212.98 = 2,962.88 : x
  2. Step 2: Convert to fraction form
    8,807.66/13,212.98 = 2,962.88/x
  3. Step 3: Cross multiply
    8,807.66x = 13,212.98 × 2,962.88
  4. Step 4: Simplify right side
    8,807.66x = 39,148,393.30
  5. Step 5: Solve for x
    x = 39,148,393.30/8,807.66
  6. Step 6: Final answer
    x = 4,444.81

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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.