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Finding the Fourth Proportional to 6,335.48, 8,742.42 and 3,502.87

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Solution

The fourth proportional to 6,335.48, 8,742.42 and 3,502.87 is: 4,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,335.48 : 8,742.42 = 3,502.87 : x
  2. Step 2: Convert to fraction form
    6,335.48/8,742.42 = 3,502.87/x
  3. Step 3: Cross multiply
    6,335.48x = 8,742.42 × 3,502.87
  4. Step 4: Simplify right side
    6,335.48x = 30,623,538.89
  5. Step 5: Solve for x
    x = 30,623,538.89/6,335.48
  6. Step 6: Final answer
    x = 4,833.66

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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.