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Finding the Fourth Proportional to 11,047.60, 15,243.60 and 6,572.44

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Solution

The fourth proportional to 11,047.60, 15,243.60 and 6,572.44 is: 9,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.60 : 15,243.60 = 6,572.44 : x
  2. Step 2: Convert to fraction form
    11,047.60/15,243.60 = 6,572.44/x
  3. Step 3: Cross multiply
    11,047.60x = 15,243.60 × 6,572.44
  4. Step 4: Simplify right side
    11,047.60x = 100,187,646.38
  5. Step 5: Solve for x
    x = 100,187,646.38/11,047.60
  6. Step 6: Final answer
    x = 9,068.73

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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.