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Finding the Fourth Proportional to 29,569.80, 44,354.70 and 21,232.20

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Solution

The fourth proportional to 29,569.80, 44,354.70 and 21,232.20 is: 31,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,569.80 : 44,354.70 = 21,232.20 : x
  2. Step 2: Convert to fraction form
    29,569.80/44,354.70 = 21,232.20/x
  3. Step 3: Cross multiply
    29,569.80x = 44,354.70 × 21,232.20
  4. Step 4: Simplify right side
    29,569.80x = 941,747,861.34
  5. Step 5: Solve for x
    x = 941,747,861.34/29,569.80
  6. Step 6: Final answer
    x = 31,848.30

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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.