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Finding the Fourth Proportional to 8,335.17, 12,502.79 and 2,412.39

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Solution

The fourth proportional to 8,335.17, 12,502.79 and 2,412.39 is: 3,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.17 : 12,502.79 = 2,412.39 : x
  2. Step 2: Convert to fraction form
    8,335.17/12,502.79 = 2,412.39/x
  3. Step 3: Cross multiply
    8,335.17x = 12,502.79 × 2,412.39
  4. Step 4: Simplify right side
    8,335.17x = 30,161,593.51
  5. Step 5: Solve for x
    x = 30,161,593.51/8,335.17
  6. Step 6: Final answer
    x = 3,618.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.