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Finding the Fourth Proportional to 8,885.64, 13,328.06 and 2,962.11

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Solution

The fourth proportional to 8,885.64, 13,328.06 and 2,962.11 is: 4,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.64 : 13,328.06 = 2,962.11 : x
  2. Step 2: Convert to fraction form
    8,885.64/13,328.06 = 2,962.11/x
  3. Step 3: Cross multiply
    8,885.64x = 13,328.06 × 2,962.11
  4. Step 4: Simplify right side
    8,885.64x = 39,479,165.00
  5. Step 5: Solve for x
    x = 39,479,165.00/8,885.64
  6. Step 6: Final answer
    x = 4,443.03

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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.