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Finding the Fourth Proportional to 62,660.88, 86,472.14 and 35,803.31

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Solution

The fourth proportional to 62,660.88, 86,472.14 and 35,803.31 is: 49,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,660.88 : 86,472.14 = 35,803.31 : x
  2. Step 2: Convert to fraction form
    62,660.88/86,472.14 = 35,803.31/x
  3. Step 3: Cross multiply
    62,660.88x = 86,472.14 × 35,803.31
  4. Step 4: Simplify right side
    62,660.88x = 3,095,988,223.41
  5. Step 5: Solve for x
    x = 3,095,988,223.41/62,660.88
  6. Step 6: Final answer
    x = 49,408.63

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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.