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Finding the Fourth Proportional to 38,203.88, 57,328.85 and 16,315.88

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Solution

The fourth proportional to 38,203.88, 57,328.85 and 16,315.88 is: 24,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,203.88 : 57,328.85 = 16,315.88 : x
  2. Step 2: Convert to fraction form
    38,203.88/57,328.85 = 16,315.88/x
  3. Step 3: Cross multiply
    38,203.88x = 57,328.85 × 16,315.88
  4. Step 4: Simplify right side
    38,203.88x = 935,370,391.28
  5. Step 5: Solve for x
    x = 935,370,391.28/38,203.88
  6. Step 6: Final answer
    x = 24,483.65

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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.