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Finding the Fourth Proportional to 12,572.07, 17,349.74 and 7,267.11

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Solution

The fourth proportional to 12,572.07, 17,349.74 and 7,267.11 is: 10,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.07 : 17,349.74 = 7,267.11 : x
  2. Step 2: Convert to fraction form
    12,572.07/17,349.74 = 7,267.11/x
  3. Step 3: Cross multiply
    12,572.07x = 17,349.74 × 7,267.11
  4. Step 4: Simplify right side
    12,572.07x = 126,082,432.72
  5. Step 5: Solve for x
    x = 126,082,432.72/12,572.07
  6. Step 6: Final answer
    x = 10,028.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.