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Finding the Fourth Proportional to 9,323.48, 12,866.18 and 5,346.92

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Solution

The fourth proportional to 9,323.48, 12,866.18 and 5,346.92 is: 7,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.48 : 12,866.18 = 5,346.92 : x
  2. Step 2: Convert to fraction form
    9,323.48/12,866.18 = 5,346.92/x
  3. Step 3: Cross multiply
    9,323.48x = 12,866.18 × 5,346.92
  4. Step 4: Simplify right side
    9,323.48x = 68,794,435.17
  5. Step 5: Solve for x
    x = 68,794,435.17/9,323.48
  6. Step 6: Final answer
    x = 7,378.62

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1.5x scale

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.