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Finding the Fourth Proportional to 6,534.56, 9,792.24 and 5,151.28

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Solution

The fourth proportional to 6,534.56, 9,792.24 and 5,151.28 is: 7,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,534.56 : 9,792.24 = 5,151.28 : x
  2. Step 2: Convert to fraction form
    6,534.56/9,792.24 = 5,151.28/x
  3. Step 3: Cross multiply
    6,534.56x = 9,792.24 × 5,151.28
  4. Step 4: Simplify right side
    6,534.56x = 50,442,570.07
  5. Step 5: Solve for x
    x = 50,442,570.07/6,534.56
  6. Step 6: Final answer
    x = 7,719.35

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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.