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Finding the Fourth Proportional to 29,276.30, 40,400.40 and 16,529.96

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Solution

The fourth proportional to 29,276.30, 40,400.40 and 16,529.96 is: 22,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.30 : 40,400.40 = 16,529.96 : x
  2. Step 2: Convert to fraction form
    29,276.30/40,400.40 = 16,529.96/x
  3. Step 3: Cross multiply
    29,276.30x = 40,400.40 × 16,529.96
  4. Step 4: Simplify right side
    29,276.30x = 667,816,995.98
  5. Step 5: Solve for x
    x = 667,816,995.98/29,276.30
  6. Step 6: Final answer
    x = 22,810.84

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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.