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Finding the Fourth Proportional to 35,454.48, 48,927.20 and 19,321.80

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Solution

The fourth proportional to 35,454.48, 48,927.20 and 19,321.80 is: 26,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.48 : 48,927.20 = 19,321.80 : x
  2. Step 2: Convert to fraction form
    35,454.48/48,927.20 = 19,321.80/x
  3. Step 3: Cross multiply
    35,454.48x = 48,927.20 × 19,321.80
  4. Step 4: Simplify right side
    35,454.48x = 945,361,566.34
  5. Step 5: Solve for x
    x = 945,361,566.34/35,454.48
  6. Step 6: Final answer
    x = 26,664.09

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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.