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Finding the Fourth Proportional to 56,472.84, 77,924.34 and 36,331.56

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Solution

The fourth proportional to 56,472.84, 77,924.34 and 36,331.56 is: 50,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.84 : 77,924.34 = 36,331.56 : x
  2. Step 2: Convert to fraction form
    56,472.84/77,924.34 = 36,331.56/x
  3. Step 3: Cross multiply
    56,472.84x = 77,924.34 × 36,331.56
  4. Step 4: Simplify right side
    56,472.84x = 2,831,112,834.17
  5. Step 5: Solve for x
    x = 2,831,112,834.17/56,472.84
  6. Step 6: Final answer
    x = 50,132.29

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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.