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Finding the Fourth Proportional to 12,599.94, 18,790.12 and 11,047.16

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Solution

The fourth proportional to 12,599.94, 18,790.12 and 11,047.16 is: 16,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.94 : 18,790.12 = 11,047.16 : x
  2. Step 2: Convert to fraction form
    12,599.94/18,790.12 = 11,047.16/x
  3. Step 3: Cross multiply
    12,599.94x = 18,790.12 × 11,047.16
  4. Step 4: Simplify right side
    12,599.94x = 207,577,462.06
  5. Step 5: Solve for x
    x = 207,577,462.06/12,599.94
  6. Step 6: Final answer
    x = 16,474.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.