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Finding the Fourth Proportional to 38,038.86, 57,071.78 and 16,976.98

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Solution

The fourth proportional to 38,038.86, 57,071.78 and 16,976.98 is: 25,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.86 : 57,071.78 = 16,976.98 : x
  2. Step 2: Convert to fraction form
    38,038.86/57,071.78 = 16,976.98/x
  3. Step 3: Cross multiply
    38,038.86x = 57,071.78 × 16,976.98
  4. Step 4: Simplify right side
    38,038.86x = 968,906,467.62
  5. Step 5: Solve for x
    x = 968,906,467.62/38,038.86
  6. Step 6: Final answer
    x = 25,471.49

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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.