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Finding the Fourth Proportional to 23,329.80, 34,994.70 and 12,832.20

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Solution

The fourth proportional to 23,329.80, 34,994.70 and 12,832.20 is: 19,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,329.80 : 34,994.70 = 12,832.20 : x
  2. Step 2: Convert to fraction form
    23,329.80/34,994.70 = 12,832.20/x
  3. Step 3: Cross multiply
    23,329.80x = 34,994.70 × 12,832.20
  4. Step 4: Simplify right side
    23,329.80x = 449,058,989.34
  5. Step 5: Solve for x
    x = 449,058,989.34/23,329.80
  6. Step 6: Final answer
    x = 19,248.30

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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.