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Finding the Fourth Proportional to 7,267.72, 10,886.08 and 5,493.16

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Solution

The fourth proportional to 7,267.72, 10,886.08 and 5,493.16 is: 8,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.72 : 10,886.08 = 5,493.16 : x
  2. Step 2: Convert to fraction form
    7,267.72/10,886.08 = 5,493.16/x
  3. Step 3: Cross multiply
    7,267.72x = 10,886.08 × 5,493.16
  4. Step 4: Simplify right side
    7,267.72x = 59,798,979.21
  5. Step 5: Solve for x
    x = 59,798,979.21/7,267.72
  6. Step 6: Final answer
    x = 8,228.02

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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.