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Finding the Fourth Proportional to 6,129.36, 8,458.56 and 3,334.92

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Solution

The fourth proportional to 6,129.36, 8,458.56 and 3,334.92 is: 4,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.36 : 8,458.56 = 3,334.92 : x
  2. Step 2: Convert to fraction form
    6,129.36/8,458.56 = 3,334.92/x
  3. Step 3: Cross multiply
    6,129.36x = 8,458.56 × 3,334.92
  4. Step 4: Simplify right side
    6,129.36x = 28,208,620.92
  5. Step 5: Solve for x
    x = 28,208,620.92/6,129.36
  6. Step 6: Final answer
    x = 4,602.21

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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.