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Finding the Fourth Proportional to 7,228.64, 10,843.20 and 4,300.48

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Solution

The fourth proportional to 7,228.64, 10,843.20 and 4,300.48 is: 6,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.64 : 10,843.20 = 4,300.48 : x
  2. Step 2: Convert to fraction form
    7,228.64/10,843.20 = 4,300.48/x
  3. Step 3: Cross multiply
    7,228.64x = 10,843.20 × 4,300.48
  4. Step 4: Simplify right side
    7,228.64x = 46,630,964.74
  5. Step 5: Solve for x
    x = 46,630,964.74/7,228.64
  6. Step 6: Final answer
    x = 6,450.86

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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.