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Finding the Fourth Proportional to 8,784.24, 13,150.44 and 5,328.24

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Solution

The fourth proportional to 8,784.24, 13,150.44 and 5,328.24 is: 7,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.24 : 13,150.44 = 5,328.24 : x
  2. Step 2: Convert to fraction form
    8,784.24/13,150.44 = 5,328.24/x
  3. Step 3: Cross multiply
    8,784.24x = 13,150.44 × 5,328.24
  4. Step 4: Simplify right side
    8,784.24x = 70,068,700.43
  5. Step 5: Solve for x
    x = 70,068,700.43/8,784.24
  6. Step 6: Final answer
    x = 7,976.64

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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.