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Finding the Fourth Proportional to 8,063.63, 11,128.49 and 4,706.66

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Solution

The fourth proportional to 8,063.63, 11,128.49 and 4,706.66 is: 6,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.63 : 11,128.49 = 4,706.66 : x
  2. Step 2: Convert to fraction form
    8,063.63/11,128.49 = 4,706.66/x
  3. Step 3: Cross multiply
    8,063.63x = 11,128.49 × 4,706.66
  4. Step 4: Simplify right side
    8,063.63x = 52,377,995.21
  5. Step 5: Solve for x
    x = 52,377,995.21/8,063.63
  6. Step 6: Final answer
    x = 6,495.59

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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.