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Finding the Fourth Proportional to 19,247.00, 28,848.42 and 8,836.88

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Solution

The fourth proportional to 19,247.00, 28,848.42 and 8,836.88 is: 13,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.00 : 28,848.42 = 8,836.88 : x
  2. Step 2: Convert to fraction form
    19,247.00/28,848.42 = 8,836.88/x
  3. Step 3: Cross multiply
    19,247.00x = 28,848.42 × 8,836.88
  4. Step 4: Simplify right side
    19,247.00x = 254,929,881.49
  5. Step 5: Solve for x
    x = 254,929,881.49/19,247.00
  6. Step 6: Final answer
    x = 13,245.18

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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.