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Finding the Fourth Proportional to 8,940.52, 12,336.04 and 5,403.04

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Solution

The fourth proportional to 8,940.52, 12,336.04 and 5,403.04 is: 7,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.52 : 12,336.04 = 5,403.04 : x
  2. Step 2: Convert to fraction form
    8,940.52/12,336.04 = 5,403.04/x
  3. Step 3: Cross multiply
    8,940.52x = 12,336.04 × 5,403.04
  4. Step 4: Simplify right side
    8,940.52x = 66,652,117.56
  5. Step 5: Solve for x
    x = 66,652,117.56/8,940.52
  6. Step 6: Final answer
    x = 7,455.06

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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.