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Finding the Fourth Proportional to 3,615.97, 4,994.15 and 2,434.99

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Solution

The fourth proportional to 3,615.97, 4,994.15 and 2,434.99 is: 3,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.97 : 4,994.15 = 2,434.99 : x
  2. Step 2: Convert to fraction form
    3,615.97/4,994.15 = 2,434.99/x
  3. Step 3: Cross multiply
    3,615.97x = 4,994.15 × 2,434.99
  4. Step 4: Simplify right side
    3,615.97x = 12,160,705.31
  5. Step 5: Solve for x
    x = 12,160,705.31/3,615.97
  6. Step 6: Final answer
    x = 3,363.05

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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.