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Finding the Fourth Proportional to 12,244.48, 16,897.92 and 8,060.80

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Solution

The fourth proportional to 12,244.48, 16,897.92 and 8,060.80 is: 11,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.48 : 16,897.92 = 8,060.80 : x
  2. Step 2: Convert to fraction form
    12,244.48/16,897.92 = 8,060.80/x
  3. Step 3: Cross multiply
    12,244.48x = 16,897.92 × 8,060.80
  4. Step 4: Simplify right side
    12,244.48x = 136,210,753.54
  5. Step 5: Solve for x
    x = 136,210,753.54/12,244.48
  6. Step 6: Final answer
    x = 11,124.26

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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.