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Finding the Fourth Proportional to 47,097.68, 70,640.94 and 13,366.67

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Solution

The fourth proportional to 47,097.68, 70,640.94 and 13,366.67 is: 20,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,097.68 : 70,640.94 = 13,366.67 : x
  2. Step 2: Convert to fraction form
    47,097.68/70,640.94 = 13,366.67/x
  3. Step 3: Cross multiply
    47,097.68x = 70,640.94 × 13,366.67
  4. Step 4: Simplify right side
    47,097.68x = 944,233,830.39
  5. Step 5: Solve for x
    x = 944,233,830.39/47,097.68
  6. Step 6: Final answer
    x = 20,048.42

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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.