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Finding the Fourth Proportional to 8,761.50, 12,093.03 and 5,037.66

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Solution

The fourth proportional to 8,761.50, 12,093.03 and 5,037.66 is: 6,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.50 : 12,093.03 = 5,037.66 : x
  2. Step 2: Convert to fraction form
    8,761.50/12,093.03 = 5,037.66/x
  3. Step 3: Cross multiply
    8,761.50x = 12,093.03 × 5,037.66
  4. Step 4: Simplify right side
    8,761.50x = 60,920,573.51
  5. Step 5: Solve for x
    x = 60,920,573.51/8,761.50
  6. Step 6: Final answer
    x = 6,953.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.