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Finding the Fourth Proportional to 34,847.46, 48,078.90 and 19,737.72

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Solution

The fourth proportional to 34,847.46, 48,078.90 and 19,737.72 is: 27,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,847.46 : 48,078.90 = 19,737.72 : x
  2. Step 2: Convert to fraction form
    34,847.46/48,078.90 = 19,737.72/x
  3. Step 3: Cross multiply
    34,847.46x = 48,078.90 × 19,737.72
  4. Step 4: Simplify right side
    34,847.46x = 948,967,866.11
  5. Step 5: Solve for x
    x = 948,967,866.11/34,847.46
  6. Step 6: Final answer
    x = 27,232.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.