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Finding the Fourth Proportional to 79,298.79, 118,967.33 and 25,994.80

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Solution

The fourth proportional to 79,298.79, 118,967.33 and 25,994.80 is: 38,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,298.79 : 118,967.33 = 25,994.80 : x
  2. Step 2: Convert to fraction form
    79,298.79/118,967.33 = 25,994.80/x
  3. Step 3: Cross multiply
    79,298.79x = 118,967.33 × 25,994.80
  4. Step 4: Simplify right side
    79,298.79x = 3,092,531,949.88
  5. Step 5: Solve for x
    x = 3,092,531,949.88/79,298.79
  6. Step 6: Final answer
    x = 38,998.48

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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.