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Finding the Fourth Proportional to 29,939.40, 44,957.70 and 16,817.40

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Solution

The fourth proportional to 29,939.40, 44,957.70 and 16,817.40 is: 25,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,939.40 : 44,957.70 = 16,817.40 : x
  2. Step 2: Convert to fraction form
    29,939.40/44,957.70 = 16,817.40/x
  3. Step 3: Cross multiply
    29,939.40x = 44,957.70 × 16,817.40
  4. Step 4: Simplify right side
    29,939.40x = 756,071,623.98
  5. Step 5: Solve for x
    x = 756,071,623.98/29,939.40
  6. Step 6: Final answer
    x = 25,253.40

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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.