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Finding the Fourth Proportional to 38,571.93, 57,857.29 and 12,276.29

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Solution

The fourth proportional to 38,571.93, 57,857.29 and 12,276.29 is: 18,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.93 : 57,857.29 = 12,276.29 : x
  2. Step 2: Convert to fraction form
    38,571.93/57,857.29 = 12,276.29/x
  3. Step 3: Cross multiply
    38,571.93x = 57,857.29 × 12,276.29
  4. Step 4: Simplify right side
    38,571.93x = 710,272,984.61
  5. Step 5: Solve for x
    x = 710,272,984.61/38,571.93
  6. Step 6: Final answer
    x = 18,414.25

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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.