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Finding the Fourth Proportional to 37,208.61, 55,813.22 and 10,913.78

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Solution

The fourth proportional to 37,208.61, 55,813.22 and 10,913.78 is: 16,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,208.61 : 55,813.22 = 10,913.78 : x
  2. Step 2: Convert to fraction form
    37,208.61/55,813.22 = 10,913.78/x
  3. Step 3: Cross multiply
    37,208.61x = 55,813.22 × 10,913.78
  4. Step 4: Simplify right side
    37,208.61x = 609,132,870.54
  5. Step 5: Solve for x
    x = 609,132,870.54/37,208.61
  6. Step 6: Final answer
    x = 16,370.75

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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.