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Finding the Fourth Proportional to 6,129.92, 8,459.25 and 3,335.42

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Solution

The fourth proportional to 6,129.92, 8,459.25 and 3,335.42 is: 4,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.92 : 8,459.25 = 3,335.42 : x
  2. Step 2: Convert to fraction form
    6,129.92/8,459.25 = 3,335.42/x
  3. Step 3: Cross multiply
    6,129.92x = 8,459.25 × 3,335.42
  4. Step 4: Simplify right side
    6,129.92x = 28,215,151.64
  5. Step 5: Solve for x
    x = 28,215,151.64/6,129.92
  6. Step 6: Final answer
    x = 4,602.86

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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.