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Finding the Fourth Proportional to 9,996.52, 14,918.74 and 8,889.36

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Solution

The fourth proportional to 9,996.52, 14,918.74 and 8,889.36 is: 13,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.52 : 14,918.74 = 8,889.36 : x
  2. Step 2: Convert to fraction form
    9,996.52/14,918.74 = 8,889.36/x
  3. Step 3: Cross multiply
    9,996.52x = 14,918.74 × 8,889.36
  4. Step 4: Simplify right side
    9,996.52x = 132,618,050.61
  5. Step 5: Solve for x
    x = 132,618,050.61/9,996.52
  6. Step 6: Final answer
    x = 13,266.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.