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Finding the Fourth Proportional to 10,243.54, 15,352.54 and 4,393.32

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Solution

The fourth proportional to 10,243.54, 15,352.54 and 4,393.32 is: 6,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.54 : 15,352.54 = 4,393.32 : x
  2. Step 2: Convert to fraction form
    10,243.54/15,352.54 = 4,393.32/x
  3. Step 3: Cross multiply
    10,243.54x = 15,352.54 × 4,393.32
  4. Step 4: Simplify right side
    10,243.54x = 67,448,621.03
  5. Step 5: Solve for x
    x = 67,448,621.03/10,243.54
  6. Step 6: Final answer
    x = 6,584.50

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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.