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Finding the Fourth Proportional to 12,060.95, 18,095.09 and 8,127.99

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Solution

The fourth proportional to 12,060.95, 18,095.09 and 8,127.99 is: 12,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.95 : 18,095.09 = 8,127.99 : x
  2. Step 2: Convert to fraction form
    12,060.95/18,095.09 = 8,127.99/x
  3. Step 3: Cross multiply
    12,060.95x = 18,095.09 × 8,127.99
  4. Step 4: Simplify right side
    12,060.95x = 147,076,669.93
  5. Step 5: Solve for x
    x = 147,076,669.93/12,060.95
  6. Step 6: Final answer
    x = 12,194.46

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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.