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Finding the Fourth Proportional to 19,471.52, 29,201.16 and 6,321.16

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Solution

The fourth proportional to 19,471.52, 29,201.16 and 6,321.16 is: 9,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.52 : 29,201.16 = 6,321.16 : x
  2. Step 2: Convert to fraction form
    19,471.52/29,201.16 = 6,321.16/x
  3. Step 3: Cross multiply
    19,471.52x = 29,201.16 × 6,321.16
  4. Step 4: Simplify right side
    19,471.52x = 184,585,204.55
  5. Step 5: Solve for x
    x = 184,585,204.55/19,471.52
  6. Step 6: Final answer
    x = 9,479.75

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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.