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Finding the Fourth Proportional to 29,153.80, 40,225.11 and 16,404.50

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Solution

The fourth proportional to 29,153.80, 40,225.11 and 16,404.50 is: 22,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153.80 : 40,225.11 = 16,404.50 : x
  2. Step 2: Convert to fraction form
    29,153.80/40,225.11 = 16,404.50/x
  3. Step 3: Cross multiply
    29,153.80x = 40,225.11 × 16,404.50
  4. Step 4: Simplify right side
    29,153.80x = 659,872,817.00
  5. Step 5: Solve for x
    x = 659,872,817.00/29,153.80
  6. Step 6: Final answer
    x = 22,634.20

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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.