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Finding the Fourth Proportional to 29,530.50, 40,752.90 and 16,956.06

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Solution

The fourth proportional to 29,530.50, 40,752.90 and 16,956.06 is: 23,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.50 : 40,752.90 = 16,956.06 : x
  2. Step 2: Convert to fraction form
    29,530.50/40,752.90 = 16,956.06/x
  3. Step 3: Cross multiply
    29,530.50x = 40,752.90 × 16,956.06
  4. Step 4: Simplify right side
    29,530.50x = 691,008,617.57
  5. Step 5: Solve for x
    x = 691,008,617.57/29,530.50
  6. Step 6: Final answer
    x = 23,399.83

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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.