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Finding the Fourth Proportional to 8,437.56, 12,603.73 and 6,250.56

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Solution

The fourth proportional to 8,437.56, 12,603.73 and 6,250.56 is: 9,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.56 : 12,603.73 = 6,250.56 : x
  2. Step 2: Convert to fraction form
    8,437.56/12,603.73 = 6,250.56/x
  3. Step 3: Cross multiply
    8,437.56x = 12,603.73 × 6,250.56
  4. Step 4: Simplify right side
    8,437.56x = 78,780,370.59
  5. Step 5: Solve for x
    x = 78,780,370.59/8,437.56
  6. Step 6: Final answer
    x = 9,336.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.