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Finding the Fourth Proportional to 7,265.48, 10,896.88 and 1,928.68

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Solution

The fourth proportional to 7,265.48, 10,896.88 and 1,928.68 is: 2,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.48 : 10,896.88 = 1,928.68 : x
  2. Step 2: Convert to fraction form
    7,265.48/10,896.88 = 1,928.68/x
  3. Step 3: Cross multiply
    7,265.48x = 10,896.88 × 1,928.68
  4. Step 4: Simplify right side
    7,265.48x = 21,016,594.52
  5. Step 5: Solve for x
    x = 21,016,594.52/7,265.48
  6. Step 6: Final answer
    x = 2,892.66

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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.