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Finding the Fourth Proportional to 6,158.76, 8,499.12 and 3,364.26

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Solution

The fourth proportional to 6,158.76, 8,499.12 and 3,364.26 is: 4,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158.76 : 8,499.12 = 3,364.26 : x
  2. Step 2: Convert to fraction form
    6,158.76/8,499.12 = 3,364.26/x
  3. Step 3: Cross multiply
    6,158.76x = 8,499.12 × 3,364.26
  4. Step 4: Simplify right side
    6,158.76x = 28,593,249.45
  5. Step 5: Solve for x
    x = 28,593,249.45/6,158.76
  6. Step 6: Final answer
    x = 4,642.70

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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.