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Finding the Fourth Proportional to 4,967.20, 7,434.60 and 4,967.20

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Solution

The fourth proportional to 4,967.20, 7,434.60 and 4,967.20 is: 7,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.20 : 7,434.60 = 4,967.20 : x
  2. Step 2: Convert to fraction form
    4,967.20/7,434.60 = 4,967.20/x
  3. Step 3: Cross multiply
    4,967.20x = 7,434.60 × 4,967.20
  4. Step 4: Simplify right side
    4,967.20x = 36,929,145.12
  5. Step 5: Solve for x
    x = 36,929,145.12/4,967.20
  6. Step 6: Final answer
    x = 7,434.60

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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.