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Finding the Fourth Proportional to 7,265.97, 10,898.96 and 5,078.97

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Solution

The fourth proportional to 7,265.97, 10,898.96 and 5,078.97 is: 7,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.97 : 10,898.96 = 5,078.97 : x
  2. Step 2: Convert to fraction form
    7,265.97/10,898.96 = 5,078.97/x
  3. Step 3: Cross multiply
    7,265.97x = 10,898.96 × 5,078.97
  4. Step 4: Simplify right side
    7,265.97x = 55,355,465.48
  5. Step 5: Solve for x
    x = 55,355,465.48/7,265.97
  6. Step 6: Final answer
    x = 7,618.46

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Half scale
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Double scale
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Similar ratio
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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.