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Finding the Fourth Proportional to 7,063.11, 9,742.28 and 4,409.55

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Solution

The fourth proportional to 7,063.11, 9,742.28 and 4,409.55 is: 6,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.11 : 9,742.28 = 4,409.55 : x
  2. Step 2: Convert to fraction form
    7,063.11/9,742.28 = 4,409.55/x
  3. Step 3: Cross multiply
    7,063.11x = 9,742.28 × 4,409.55
  4. Step 4: Simplify right side
    7,063.11x = 42,959,048.73
  5. Step 5: Solve for x
    x = 42,959,048.73/7,063.11
  6. Step 6: Final answer
    x = 6,082.17

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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.