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Finding the Fourth Proportional to 38,415, 57,645.18 and 16,226.94

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Solution

The fourth proportional to 38,415, 57,645.18 and 16,226.94 is: 24,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415 : 57,645.18 = 16,226.94 : x
  2. Step 2: Convert to fraction form
    38,415/57,645.18 = 16,226.94/x
  3. Step 3: Cross multiply
    38,415x = 57,645.18 × 16,226.94
  4. Step 4: Simplify right side
    38,415x = 935,404,877.15
  5. Step 5: Solve for x
    x = 935,404,877.15/38,415
  6. Step 6: Final answer
    x = 24,349.99

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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.