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Finding the Fourth Proportional to 38,998.62, 53,796.42 and 23,888.88

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Solution

The fourth proportional to 38,998.62, 53,796.42 and 23,888.88 is: 32,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.62 : 53,796.42 = 23,888.88 : x
  2. Step 2: Convert to fraction form
    38,998.62/53,796.42 = 23,888.88/x
  3. Step 3: Cross multiply
    38,998.62x = 53,796.42 × 23,888.88
  4. Step 4: Simplify right side
    38,998.62x = 1,285,136,221.81
  5. Step 5: Solve for x
    x = 1,285,136,221.81/38,998.62
  6. Step 6: Final answer
    x = 32,953.38

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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.