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Finding the Fourth Proportional to 79,028.29, 118,542.29 and 36,894.25

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Solution

The fourth proportional to 79,028.29, 118,542.29 and 36,894.25 is: 55,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,028.29 : 118,542.29 = 36,894.25 : x
  2. Step 2: Convert to fraction form
    79,028.29/118,542.29 = 36,894.25/x
  3. Step 3: Cross multiply
    79,028.29x = 118,542.29 × 36,894.25
  4. Step 4: Simplify right side
    79,028.29x = 4,373,528,290.12
  5. Step 5: Solve for x
    x = 4,373,528,290.12/79,028.29
  6. Step 6: Final answer
    x = 55,341.30

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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.