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Finding the Fourth Proportional to 29,291, 40,424.76 and 19,227.56

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Solution

The fourth proportional to 29,291, 40,424.76 and 19,227.56 is: 26,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,291 : 40,424.76 = 19,227.56 : x
  2. Step 2: Convert to fraction form
    29,291/40,424.76 = 19,227.56/x
  3. Step 3: Cross multiply
    29,291x = 40,424.76 × 19,227.56
  4. Step 4: Simplify right side
    29,291x = 777,269,498.39
  5. Step 5: Solve for x
    x = 777,269,498.39/29,291
  6. Step 6: Final answer
    x = 26,536.12

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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.