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Finding the Fourth Proportional to 8,975.00, 12,385.28 and 4,996.03

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Solution

The fourth proportional to 8,975.00, 12,385.28 and 4,996.03 is: 6,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.00 : 12,385.28 = 4,996.03 : x
  2. Step 2: Convert to fraction form
    8,975.00/12,385.28 = 4,996.03/x
  3. Step 3: Cross multiply
    8,975.00x = 12,385.28 × 4,996.03
  4. Step 4: Simplify right side
    8,975.00x = 61,877,211.97
  5. Step 5: Solve for x
    x = 61,877,211.97/8,975.00
  6. Step 6: Final answer
    x = 6,894.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.