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Finding the Fourth Proportional to 29,056.98, 40,100.49 and 16,311.09

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Solution

The fourth proportional to 29,056.98, 40,100.49 and 16,311.09 is: 22,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,056.98 : 40,100.49 = 16,311.09 : x
  2. Step 2: Convert to fraction form
    29,056.98/40,100.49 = 16,311.09/x
  3. Step 3: Cross multiply
    29,056.98x = 40,100.49 × 16,311.09
  4. Step 4: Simplify right side
    29,056.98x = 654,082,701.43
  5. Step 5: Solve for x
    x = 654,082,701.43/29,056.98
  6. Step 6: Final answer
    x = 22,510.35

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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.