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Finding the Fourth Proportional to 7,092.94, 10,639.40 and 7,082.68

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Solution

The fourth proportional to 7,092.94, 10,639.40 and 7,082.68 is: 10,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.94 : 10,639.40 = 7,082.68 : x
  2. Step 2: Convert to fraction form
    7,092.94/10,639.40 = 7,082.68/x
  3. Step 3: Cross multiply
    7,092.94x = 10,639.40 × 7,082.68
  4. Step 4: Simplify right side
    7,092.94x = 75,355,509.90
  5. Step 5: Solve for x
    x = 75,355,509.90/7,092.94
  6. Step 6: Final answer
    x = 10,624.01

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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.