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Finding the Fourth Proportional to 17,967.84, 26,950.80 and 6,280.80

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Solution

The fourth proportional to 17,967.84, 26,950.80 and 6,280.80 is: 9,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.84 : 26,950.80 = 6,280.80 : x
  2. Step 2: Convert to fraction form
    17,967.84/26,950.80 = 6,280.80/x
  3. Step 3: Cross multiply
    17,967.84x = 26,950.80 × 6,280.80
  4. Step 4: Simplify right side
    17,967.84x = 169,272,584.64
  5. Step 5: Solve for x
    x = 169,272,584.64/17,967.84
  6. Step 6: Final answer
    x = 9,420.86

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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.