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Finding the Fourth Proportional to 7,373.16, 11,059.76 and 4,293

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Solution

The fourth proportional to 7,373.16, 11,059.76 and 4,293 is: 6,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.16 : 11,059.76 = 4,293 : x
  2. Step 2: Convert to fraction form
    7,373.16/11,059.76 = 4,293/x
  3. Step 3: Cross multiply
    7,373.16x = 11,059.76 × 4,293
  4. Step 4: Simplify right side
    7,373.16x = 47,479,549.68
  5. Step 5: Solve for x
    x = 47,479,549.68/7,373.16
  6. Step 6: Final answer
    x = 6,439.51

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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.