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Finding the Fourth Proportional to 9,323.52, 12,866.88 and 5,344.32

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Solution

The fourth proportional to 9,323.52, 12,866.88 and 5,344.32 is: 7,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.52 : 12,866.88 = 5,344.32 : x
  2. Step 2: Convert to fraction form
    9,323.52/12,866.88 = 5,344.32/x
  3. Step 3: Cross multiply
    9,323.52x = 12,866.88 × 5,344.32
  4. Step 4: Simplify right side
    9,323.52x = 68,764,724.12
  5. Step 5: Solve for x
    x = 68,764,724.12/9,323.52
  6. Step 6: Final answer
    x = 7,375.40

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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.