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Finding the Fourth Proportional to 26,663.49, 40,001.81 and 7,943.45

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Solution

The fourth proportional to 26,663.49, 40,001.81 and 7,943.45 is: 11,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.49 : 40,001.81 = 7,943.45 : x
  2. Step 2: Convert to fraction form
    26,663.49/40,001.81 = 7,943.45/x
  3. Step 3: Cross multiply
    26,663.49x = 40,001.81 × 7,943.45
  4. Step 4: Simplify right side
    26,663.49x = 317,752,497.51
  5. Step 5: Solve for x
    x = 317,752,497.51/26,663.49
  6. Step 6: Final answer
    x = 11,917.14

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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.