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Finding the Fourth Proportional to 9,868.36, 14,772.97 and 7,273.12

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Solution

The fourth proportional to 9,868.36, 14,772.97 and 7,273.12 is: 10,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.36 : 14,772.97 = 7,273.12 : x
  2. Step 2: Convert to fraction form
    9,868.36/14,772.97 = 7,273.12/x
  3. Step 3: Cross multiply
    9,868.36x = 14,772.97 × 7,273.12
  4. Step 4: Simplify right side
    9,868.36x = 107,445,583.57
  5. Step 5: Solve for x
    x = 107,445,583.57/9,868.36
  6. Step 6: Final answer
    x = 10,887.89

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1.5x scale

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.