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Finding the Fourth Proportional to 17,437.85, 26,121.74 and 8,064.74

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Solution

The fourth proportional to 17,437.85, 26,121.74 and 8,064.74 is: 12,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,437.85 : 26,121.74 = 8,064.74 : x
  2. Step 2: Convert to fraction form
    17,437.85/26,121.74 = 8,064.74/x
  3. Step 3: Cross multiply
    17,437.85x = 26,121.74 × 8,064.74
  4. Step 4: Simplify right side
    17,437.85x = 210,664,870.52
  5. Step 5: Solve for x
    x = 210,664,870.52/17,437.85
  6. Step 6: Final answer
    x = 12,080.90

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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.