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Finding the Fourth Proportional to 79,257.59, 118,811.96 and 26,630.27

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Solution

The fourth proportional to 79,257.59, 118,811.96 and 26,630.27 is: 39,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,257.59 : 118,811.96 = 26,630.27 : x
  2. Step 2: Convert to fraction form
    79,257.59/118,811.96 = 26,630.27/x
  3. Step 3: Cross multiply
    79,257.59x = 118,811.96 × 26,630.27
  4. Step 4: Simplify right side
    79,257.59x = 3,163,994,574.03
  5. Step 5: Solve for x
    x = 3,163,994,574.03/79,257.59
  6. Step 6: Final answer
    x = 39,920.40

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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.