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Finding the Fourth Proportional to 37,616.88, 51,910.02 and 21,700.92

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Solution

The fourth proportional to 37,616.88, 51,910.02 and 21,700.92 is: 29,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,616.88 : 51,910.02 = 21,700.92 : x
  2. Step 2: Convert to fraction form
    37,616.88/51,910.02 = 21,700.92/x
  3. Step 3: Cross multiply
    37,616.88x = 51,910.02 × 21,700.92
  4. Step 4: Simplify right side
    37,616.88x = 1,126,495,191.22
  5. Step 5: Solve for x
    x = 1,126,495,191.22/37,616.88
  6. Step 6: Final answer
    x = 29,946.53

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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.