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Finding the Fourth Proportional to 9,912.14, 14,868.78 and 4,368.08

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Solution

The fourth proportional to 9,912.14, 14,868.78 and 4,368.08 is: 6,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.14 : 14,868.78 = 4,368.08 : x
  2. Step 2: Convert to fraction form
    9,912.14/14,868.78 = 4,368.08/x
  3. Step 3: Cross multiply
    9,912.14x = 14,868.78 × 4,368.08
  4. Step 4: Simplify right side
    9,912.14x = 64,948,020.54
  5. Step 5: Solve for x
    x = 64,948,020.54/9,912.14
  6. Step 6: Final answer
    x = 6,552.37

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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.