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Finding the Fourth Proportional to 37,788.56, 56,685.56 and 11,493.21

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Solution

The fourth proportional to 37,788.56, 56,685.56 and 11,493.21 is: 17,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,788.56 : 56,685.56 = 11,493.21 : x
  2. Step 2: Convert to fraction form
    37,788.56/56,685.56 = 11,493.21/x
  3. Step 3: Cross multiply
    37,788.56x = 56,685.56 × 11,493.21
  4. Step 4: Simplify right side
    37,788.56x = 651,498,987.58
  5. Step 5: Solve for x
    x = 651,498,987.58/37,788.56
  6. Step 6: Final answer
    x = 17,240.64

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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.