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Finding the Fourth Proportional to 19,380.25, 29,070.60 and 6,232.60

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Solution

The fourth proportional to 19,380.25, 29,070.60 and 6,232.60 is: 9,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.25 : 29,070.60 = 6,232.60 : x
  2. Step 2: Convert to fraction form
    19,380.25/29,070.60 = 6,232.60/x
  3. Step 3: Cross multiply
    19,380.25x = 29,070.60 × 6,232.60
  4. Step 4: Simplify right side
    19,380.25x = 181,185,421.56
  5. Step 5: Solve for x
    x = 181,185,421.56/19,380.25
  6. Step 6: Final answer
    x = 9,348.97

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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.