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Finding the Fourth Proportional to 4,967.20, 7,195.15 and 4,967.20

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Solution

The fourth proportional to 4,967.20, 7,195.15 and 4,967.20 is: 7,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.20 : 7,195.15 = 4,967.20 : x
  2. Step 2: Convert to fraction form
    4,967.20/7,195.15 = 4,967.20/x
  3. Step 3: Cross multiply
    4,967.20x = 7,195.15 × 4,967.20
  4. Step 4: Simplify right side
    4,967.20x = 35,739,749.08
  5. Step 5: Solve for x
    x = 35,739,749.08/4,967.20
  6. Step 6: Final answer
    x = 7,195.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.