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Finding the Fourth Proportional to 6,191.35, 8,542.59 and 3,502.63

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Solution

The fourth proportional to 6,191.35, 8,542.59 and 3,502.63 is: 4,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.35 : 8,542.59 = 3,502.63 : x
  2. Step 2: Convert to fraction form
    6,191.35/8,542.59 = 3,502.63/x
  3. Step 3: Cross multiply
    6,191.35x = 8,542.59 × 3,502.63
  4. Step 4: Simplify right side
    6,191.35x = 29,921,532.01
  5. Step 5: Solve for x
    x = 29,921,532.01/6,191.35
  6. Step 6: Final answer
    x = 4,832.80

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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.