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Finding the Fourth Proportional to 33,611.40, 50,417.10 and 13,904.10

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Solution

The fourth proportional to 33,611.40, 50,417.10 and 13,904.10 is: 20,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,611.40 : 50,417.10 = 13,904.10 : x
  2. Step 2: Convert to fraction form
    33,611.40/50,417.10 = 13,904.10/x
  3. Step 3: Cross multiply
    33,611.40x = 50,417.10 × 13,904.10
  4. Step 4: Simplify right side
    33,611.40x = 701,004,400.11
  5. Step 5: Solve for x
    x = 701,004,400.11/33,611.40
  6. Step 6: Final answer
    x = 20,856.15

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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.