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Finding the Fourth Proportional to 21,701.92, 32,542.10 and 6,908.92

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Solution

The fourth proportional to 21,701.92, 32,542.10 and 6,908.92 is: 10,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.92 : 32,542.10 = 6,908.92 : x
  2. Step 2: Convert to fraction form
    21,701.92/32,542.10 = 6,908.92/x
  3. Step 3: Cross multiply
    21,701.92x = 32,542.10 × 6,908.92
  4. Step 4: Simplify right side
    21,701.92x = 224,830,701.45
  5. Step 5: Solve for x
    x = 224,830,701.45/21,701.92
  6. Step 6: Final answer
    x = 10,359.95

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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.