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Finding the Fourth Proportional to 37,862.39, 56,793.59 and 12,889.59

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Solution

The fourth proportional to 37,862.39, 56,793.59 and 12,889.59 is: 19,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,862.39 : 56,793.59 = 12,889.59 : x
  2. Step 2: Convert to fraction form
    37,862.39/56,793.59 = 12,889.59/x
  3. Step 3: Cross multiply
    37,862.39x = 56,793.59 × 12,889.59
  4. Step 4: Simplify right side
    37,862.39x = 732,046,089.73
  5. Step 5: Solve for x
    x = 732,046,089.73/37,862.39
  6. Step 6: Final answer
    x = 19,334.39

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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.