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Finding the Fourth Proportional to 17,717.80, 26,576.70 and 16,551.40

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Solution

The fourth proportional to 17,717.80, 26,576.70 and 16,551.40 is: 24,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.80 : 26,576.70 = 16,551.40 : x
  2. Step 2: Convert to fraction form
    17,717.80/26,576.70 = 16,551.40/x
  3. Step 3: Cross multiply
    17,717.80x = 26,576.70 × 16,551.40
  4. Step 4: Simplify right side
    17,717.80x = 439,881,592.38
  5. Step 5: Solve for x
    x = 439,881,592.38/17,717.80
  6. Step 6: Final answer
    x = 24,827.10

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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.