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Finding the Fourth Proportional to 37,919.71, 56,889.59 and 12,959.66

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Solution

The fourth proportional to 37,919.71, 56,889.59 and 12,959.66 is: 19,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,919.71 : 56,889.59 = 12,959.66 : x
  2. Step 2: Convert to fraction form
    37,919.71/56,889.59 = 12,959.66/x
  3. Step 3: Cross multiply
    37,919.71x = 56,889.59 × 12,959.66
  4. Step 4: Simplify right side
    37,919.71x = 737,270,049.53
  5. Step 5: Solve for x
    x = 737,270,049.53/37,919.71
  6. Step 6: Final answer
    x = 19,442.92

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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.