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Finding the Fourth Proportional to 17,970.28, 26,959.66 and 5,658.28

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Solution

The fourth proportional to 17,970.28, 26,959.66 and 5,658.28 is: 8,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.28 : 26,959.66 = 5,658.28 : x
  2. Step 2: Convert to fraction form
    17,970.28/26,959.66 = 5,658.28/x
  3. Step 3: Cross multiply
    17,970.28x = 26,959.66 × 5,658.28
  4. Step 4: Simplify right side
    17,970.28x = 152,545,304.98
  5. Step 5: Solve for x
    x = 152,545,304.98/17,970.28
  6. Step 6: Final answer
    x = 8,488.76

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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.