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Finding the Fourth Proportional to 61,601.21, 85,018.41 and 37,414.41

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Solution

The fourth proportional to 61,601.21, 85,018.41 and 37,414.41 is: 51,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.21 : 85,018.41 = 37,414.41 : x
  2. Step 2: Convert to fraction form
    61,601.21/85,018.41 = 37,414.41/x
  3. Step 3: Cross multiply
    61,601.21x = 85,018.41 × 37,414.41
  4. Step 4: Simplify right side
    61,601.21x = 3,180,913,330.47
  5. Step 5: Solve for x
    x = 3,180,913,330.47/61,601.21
  6. Step 6: Final answer
    x = 51,637.19

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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.