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Finding the Fourth Proportional to 12,677.67, 19,001.43 and 5,914.17

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Solution

The fourth proportional to 12,677.67, 19,001.43 and 5,914.17 is: 8,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.67 : 19,001.43 = 5,914.17 : x
  2. Step 2: Convert to fraction form
    12,677.67/19,001.43 = 5,914.17/x
  3. Step 3: Cross multiply
    12,677.67x = 19,001.43 × 5,914.17
  4. Step 4: Simplify right side
    12,677.67x = 112,377,687.26
  5. Step 5: Solve for x
    x = 112,377,687.26/12,677.67
  6. Step 6: Final answer
    x = 8,864.22

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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.