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Finding the Fourth Proportional to 37,611.93, 51,904.14 and 20,617.11

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Solution

The fourth proportional to 37,611.93, 51,904.14 and 20,617.11 is: 28,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,611.93 : 51,904.14 = 20,617.11 : x
  2. Step 2: Convert to fraction form
    37,611.93/51,904.14 = 20,617.11/x
  3. Step 3: Cross multiply
    37,611.93x = 51,904.14 × 20,617.11
  4. Step 4: Simplify right side
    37,611.93x = 1,070,113,363.84
  5. Step 5: Solve for x
    x = 1,070,113,363.84/37,611.93
  6. Step 6: Final answer
    x = 28,451.43

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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.