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Finding the Fourth Proportional to 73,391.85, 110,097.35 and 20,802.71

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Solution

The fourth proportional to 73,391.85, 110,097.35 and 20,802.71 is: 31,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,391.85 : 110,097.35 = 20,802.71 : x
  2. Step 2: Convert to fraction form
    73,391.85/110,097.35 = 20,802.71/x
  3. Step 3: Cross multiply
    73,391.85x = 110,097.35 × 20,802.71
  4. Step 4: Simplify right side
    73,391.85x = 2,290,322,589.32
  5. Step 5: Solve for x
    x = 2,290,322,589.32/73,391.85
  6. Step 6: Final answer
    x = 31,206.77

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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.