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Finding the Fourth Proportional to 30,101.51, 41,540.04 and 16,672.76

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Solution

The fourth proportional to 30,101.51, 41,540.04 and 16,672.76 is: 23,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.51 : 41,540.04 = 16,672.76 : x
  2. Step 2: Convert to fraction form
    30,101.51/41,540.04 = 16,672.76/x
  3. Step 3: Cross multiply
    30,101.51x = 41,540.04 × 16,672.76
  4. Step 4: Simplify right side
    30,101.51x = 692,587,117.31
  5. Step 5: Solve for x
    x = 692,587,117.31/30,101.51
  6. Step 6: Final answer
    x = 23,008.38

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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.