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Finding the Fourth Proportional to 7,072.47, 10,606.23 and 2,073.47

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Solution

The fourth proportional to 7,072.47, 10,606.23 and 2,073.47 is: 3,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.47 : 10,606.23 = 2,073.47 : x
  2. Step 2: Convert to fraction form
    7,072.47/10,606.23 = 2,073.47/x
  3. Step 3: Cross multiply
    7,072.47x = 10,606.23 × 2,073.47
  4. Step 4: Simplify right side
    7,072.47x = 21,991,646.69
  5. Step 5: Solve for x
    x = 21,991,646.69/7,072.47
  6. Step 6: Final answer
    x = 3,109.47

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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.