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Finding the Fourth Proportional to 17,491.80, 26,235.30 and 5,803.80

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Solution

The fourth proportional to 17,491.80, 26,235.30 and 5,803.80 is: 8,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,491.80 : 26,235.30 = 5,803.80 : x
  2. Step 2: Convert to fraction form
    17,491.80/26,235.30 = 5,803.80/x
  3. Step 3: Cross multiply
    17,491.80x = 26,235.30 × 5,803.80
  4. Step 4: Simplify right side
    17,491.80x = 152,264,434.14
  5. Step 5: Solve for x
    x = 152,264,434.14/17,491.80
  6. Step 6: Final answer
    x = 8,704.90

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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.