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Finding the Fourth Proportional to 32,805.60, 49,179.60 and 19,663.20

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Solution

The fourth proportional to 32,805.60, 49,179.60 and 19,663.20 is: 29,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,805.60 : 49,179.60 = 19,663.20 : x
  2. Step 2: Convert to fraction form
    32,805.60/49,179.60 = 19,663.20/x
  3. Step 3: Cross multiply
    32,805.60x = 49,179.60 × 19,663.20
  4. Step 4: Simplify right side
    32,805.60x = 967,028,310.72
  5. Step 5: Solve for x
    x = 967,028,310.72/32,805.60
  6. Step 6: Final answer
    x = 29,477.54

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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.