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Finding the Fourth Proportional to 15,300.69, 22,951.02 and 5,440.35

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Solution

The fourth proportional to 15,300.69, 22,951.02 and 5,440.35 is: 8,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.69 : 22,951.02 = 5,440.35 : x
  2. Step 2: Convert to fraction form
    15,300.69/22,951.02 = 5,440.35/x
  3. Step 3: Cross multiply
    15,300.69x = 22,951.02 × 5,440.35
  4. Step 4: Simplify right side
    15,300.69x = 124,861,688.12
  5. Step 5: Solve for x
    x = 124,861,688.12/15,300.69
  6. Step 6: Final answer
    x = 8,160.53

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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.