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Finding the Fourth Proportional to 8,572.01, 11,825.87 and 5,586.75

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Solution

The fourth proportional to 8,572.01, 11,825.87 and 5,586.75 is: 7,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.01 : 11,825.87 = 5,586.75 : x
  2. Step 2: Convert to fraction form
    8,572.01/11,825.87 = 5,586.75/x
  3. Step 3: Cross multiply
    8,572.01x = 11,825.87 × 5,586.75
  4. Step 4: Simplify right side
    8,572.01x = 66,068,151.29
  5. Step 5: Solve for x
    x = 66,068,151.29/8,572.01
  6. Step 6: Final answer
    x = 7,707.43

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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.