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Finding the Fourth Proportional to 12,053.76, 16,634.64 and 8,518.08

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Solution

The fourth proportional to 12,053.76, 16,634.64 and 8,518.08 is: 11,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.76 : 16,634.64 = 8,518.08 : x
  2. Step 2: Convert to fraction form
    12,053.76/16,634.64 = 8,518.08/x
  3. Step 3: Cross multiply
    12,053.76x = 16,634.64 × 8,518.08
  4. Step 4: Simplify right side
    12,053.76x = 141,695,194.29
  5. Step 5: Solve for x
    x = 141,695,194.29/12,053.76
  6. Step 6: Final answer
    x = 11,755.27

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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.