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Finding the Fourth Proportional to 7,280.52, 10,913.74 and 2,346.81

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Solution

The fourth proportional to 7,280.52, 10,913.74 and 2,346.81 is: 3,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.52 : 10,913.74 = 2,346.81 : x
  2. Step 2: Convert to fraction form
    7,280.52/10,913.74 = 2,346.81/x
  3. Step 3: Cross multiply
    7,280.52x = 10,913.74 × 2,346.81
  4. Step 4: Simplify right side
    7,280.52x = 25,612,474.17
  5. Step 5: Solve for x
    x = 25,612,474.17/7,280.52
  6. Step 6: Final answer
    x = 3,517.95

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1.5x scale

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.