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Finding the Fourth Proportional to 39,994.56, 59,991.03 and 10,411.74

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Solution

The fourth proportional to 39,994.56, 59,991.03 and 10,411.74 is: 15,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.56 : 59,991.03 = 10,411.74 : x
  2. Step 2: Convert to fraction form
    39,994.56/59,991.03 = 10,411.74/x
  3. Step 3: Cross multiply
    39,994.56x = 59,991.03 × 10,411.74
  4. Step 4: Simplify right side
    39,994.56x = 624,611,006.69
  5. Step 5: Solve for x
    x = 624,611,006.69/39,994.56
  6. Step 6: Final answer
    x = 15,617.40

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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.