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Finding the Fourth Proportional to 4,980.16, 7,471.02 and 1,693.48

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Solution

The fourth proportional to 4,980.16, 7,471.02 and 1,693.48 is: 2,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.16 : 7,471.02 = 1,693.48 : x
  2. Step 2: Convert to fraction form
    4,980.16/7,471.02 = 1,693.48/x
  3. Step 3: Cross multiply
    4,980.16x = 7,471.02 × 1,693.48
  4. Step 4: Simplify right side
    4,980.16x = 12,652,022.95
  5. Step 5: Solve for x
    x = 12,652,022.95/4,980.16
  6. Step 6: Final answer
    x = 2,540.49

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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.