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Finding the Fourth Proportional to 6,330.63, 8,728.07 and 4,337.63

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Solution

The fourth proportional to 6,330.63, 8,728.07 and 4,337.63 is: 5,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.63 : 8,728.07 = 4,337.63 : x
  2. Step 2: Convert to fraction form
    6,330.63/8,728.07 = 4,337.63/x
  3. Step 3: Cross multiply
    6,330.63x = 8,728.07 × 4,337.63
  4. Step 4: Simplify right side
    6,330.63x = 37,859,138.27
  5. Step 5: Solve for x
    x = 37,859,138.27/6,330.63
  6. Step 6: Final answer
    x = 5,980.31

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.