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Finding the Fourth Proportional to 37,843.62, 56,750.37 and 12,878.58

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Solution

The fourth proportional to 37,843.62, 56,750.37 and 12,878.58 is: 19,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,843.62 : 56,750.37 = 12,878.58 : x
  2. Step 2: Convert to fraction form
    37,843.62/56,750.37 = 12,878.58/x
  3. Step 3: Cross multiply
    37,843.62x = 56,750.37 × 12,878.58
  4. Step 4: Simplify right side
    37,843.62x = 730,864,180.07
  5. Step 5: Solve for x
    x = 730,864,180.07/37,843.62
  6. Step 6: Final answer
    x = 19,312.74

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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.