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Finding the Fourth Proportional to 74,776.48, 111,992.49 and 37,220.22

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Solution

The fourth proportional to 74,776.48, 111,992.49 and 37,220.22 is: 55,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,776.48 : 111,992.49 = 37,220.22 : x
  2. Step 2: Convert to fraction form
    74,776.48/111,992.49 = 37,220.22/x
  3. Step 3: Cross multiply
    74,776.48x = 111,992.49 × 37,220.22
  4. Step 4: Simplify right side
    74,776.48x = 4,168,385,116.15
  5. Step 5: Solve for x
    x = 4,168,385,116.15/74,776.48
  6. Step 6: Final answer
    x = 55,744.60

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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.