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Finding the Fourth Proportional to 17,807.14, 26,700.84 and 7,284.55

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Solution

The fourth proportional to 17,807.14, 26,700.84 and 7,284.55 is: 10,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.14 : 26,700.84 = 7,284.55 : x
  2. Step 2: Convert to fraction form
    17,807.14/26,700.84 = 7,284.55/x
  3. Step 3: Cross multiply
    17,807.14x = 26,700.84 × 7,284.55
  4. Step 4: Simplify right side
    17,807.14x = 194,503,555.48
  5. Step 5: Solve for x
    x = 194,503,555.48/17,807.14
  6. Step 6: Final answer
    x = 10,922.79

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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.