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Finding the Fourth Proportional to 4,972.48, 7,457.56 and 2,197.64

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Solution

The fourth proportional to 4,972.48, 7,457.56 and 2,197.64 is: 3,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.48 : 7,457.56 = 2,197.64 : x
  2. Step 2: Convert to fraction form
    4,972.48/7,457.56 = 2,197.64/x
  3. Step 3: Cross multiply
    4,972.48x = 7,457.56 × 2,197.64
  4. Step 4: Simplify right side
    4,972.48x = 16,389,032.16
  5. Step 5: Solve for x
    x = 16,389,032.16/4,972.48
  6. Step 6: Final answer
    x = 3,295.95

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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.