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Finding the Fourth Proportional to 6,500.76, 8,960.94 and 6,150.84

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Solution

The fourth proportional to 6,500.76, 8,960.94 and 6,150.84 is: 8,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.76 : 8,960.94 = 6,150.84 : x
  2. Step 2: Convert to fraction form
    6,500.76/8,960.94 = 6,150.84/x
  3. Step 3: Cross multiply
    6,500.76x = 8,960.94 × 6,150.84
  4. Step 4: Simplify right side
    6,500.76x = 55,117,308.19
  5. Step 5: Solve for x
    x = 55,117,308.19/6,500.76
  6. Step 6: Final answer
    x = 8,478.59

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.