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Finding the Fourth Proportional to 37,745.95, 56,618.72 and 9,665.95

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Solution

The fourth proportional to 37,745.95, 56,618.72 and 9,665.95 is: 14,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,745.95 : 56,618.72 = 9,665.95 : x
  2. Step 2: Convert to fraction form
    37,745.95/56,618.72 = 9,665.95/x
  3. Step 3: Cross multiply
    37,745.95x = 56,618.72 × 9,665.95
  4. Step 4: Simplify right side
    37,745.95x = 547,273,740.75
  5. Step 5: Solve for x
    x = 547,273,740.75/37,745.95
  6. Step 6: Final answer
    x = 14,498.87

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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.