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Finding the Fourth Proportional to 34,793.66, 48,014.98 and 19,686.20

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Solution

The fourth proportional to 34,793.66, 48,014.98 and 19,686.20 is: 27,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,793.66 : 48,014.98 = 19,686.20 : x
  2. Step 2: Convert to fraction form
    34,793.66/48,014.98 = 19,686.20/x
  3. Step 3: Cross multiply
    34,793.66x = 48,014.98 × 19,686.20
  4. Step 4: Simplify right side
    34,793.66x = 945,232,209.99
  5. Step 5: Solve for x
    x = 945,232,209.99/34,793.66
  6. Step 6: Final answer
    x = 27,166.79

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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.