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Finding the Fourth Proportional to 16,713.46, 25,063.71 and 8,918.02

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Solution

The fourth proportional to 16,713.46, 25,063.71 and 8,918.02 is: 13,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,713.46 : 25,063.71 = 8,918.02 : x
  2. Step 2: Convert to fraction form
    16,713.46/25,063.71 = 8,918.02/x
  3. Step 3: Cross multiply
    16,713.46x = 25,063.71 × 8,918.02
  4. Step 4: Simplify right side
    16,713.46x = 223,518,667.05
  5. Step 5: Solve for x
    x = 223,518,667.05/16,713.46
  6. Step 6: Final answer
    x = 13,373.57

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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.