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Finding the Fourth Proportional to 3,060.99, 4,224.16 and 1,663.74

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Solution

The fourth proportional to 3,060.99, 4,224.16 and 1,663.74 is: 2,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.99 : 4,224.16 = 1,663.74 : x
  2. Step 2: Convert to fraction form
    3,060.99/4,224.16 = 1,663.74/x
  3. Step 3: Cross multiply
    3,060.99x = 4,224.16 × 1,663.74
  4. Step 4: Simplify right side
    3,060.99x = 7,027,903.96
  5. Step 5: Solve for x
    x = 7,027,903.96/3,060.99
  6. Step 6: Final answer
    x = 2,295.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.