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Finding the Fourth Proportional to 19,755.59, 29,636.10 and 8,066.07

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Solution

The fourth proportional to 19,755.59, 29,636.10 and 8,066.07 is: 12,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.59 : 29,636.10 = 8,066.07 : x
  2. Step 2: Convert to fraction form
    19,755.59/29,636.10 = 8,066.07/x
  3. Step 3: Cross multiply
    19,755.59x = 29,636.10 × 8,066.07
  4. Step 4: Simplify right side
    19,755.59x = 239,046,857.13
  5. Step 5: Solve for x
    x = 239,046,857.13/19,755.59
  6. Step 6: Final answer
    x = 12,100.22

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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.