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Finding the Fourth Proportional to 30,101.52, 41,540.43 and 16,672.98

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Solution

The fourth proportional to 30,101.52, 41,540.43 and 16,672.98 is: 23,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.52 : 41,540.43 = 16,672.98 : x
  2. Step 2: Convert to fraction form
    30,101.52/41,540.43 = 16,672.98/x
  3. Step 3: Cross multiply
    30,101.52x = 41,540.43 × 16,672.98
  4. Step 4: Simplify right side
    30,101.52x = 692,602,758.58
  5. Step 5: Solve for x
    x = 692,602,758.58/30,101.52
  6. Step 6: Final answer
    x = 23,008.90

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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.