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Finding the Fourth Proportional to 19,236.12, 28,844.13 and 8,701.11

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Solution

The fourth proportional to 19,236.12, 28,844.13 and 8,701.11 is: 13,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.12 : 28,844.13 = 8,701.11 : x
  2. Step 2: Convert to fraction form
    19,236.12/28,844.13 = 8,701.11/x
  3. Step 3: Cross multiply
    19,236.12x = 28,844.13 × 8,701.11
  4. Step 4: Simplify right side
    19,236.12x = 250,975,947.98
  5. Step 5: Solve for x
    x = 250,975,947.98/19,236.12
  6. Step 6: Final answer
    x = 13,047.12

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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.