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Finding the Fourth Proportional to 7,269.64, 10,905.20 and 2,338.10

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Solution

The fourth proportional to 7,269.64, 10,905.20 and 2,338.10 is: 3,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.64 : 10,905.20 = 2,338.10 : x
  2. Step 2: Convert to fraction form
    7,269.64/10,905.20 = 2,338.10/x
  3. Step 3: Cross multiply
    7,269.64x = 10,905.20 × 2,338.10
  4. Step 4: Simplify right side
    7,269.64x = 25,497,448.12
  5. Step 5: Solve for x
    x = 25,497,448.12/7,269.64
  6. Step 6: Final answer
    x = 3,507.39

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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.