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Finding the Fourth Proportional to 79,896.38, 119,802.84 and 23,728.76

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Solution

The fourth proportional to 79,896.38, 119,802.84 and 23,728.76 is: 35,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,896.38 : 119,802.84 = 23,728.76 : x
  2. Step 2: Convert to fraction form
    79,896.38/119,802.84 = 23,728.76/x
  3. Step 3: Cross multiply
    79,896.38x = 119,802.84 × 23,728.76
  4. Step 4: Simplify right side
    79,896.38x = 2,842,772,837.68
  5. Step 5: Solve for x
    x = 2,842,772,837.68/79,896.38
  6. Step 6: Final answer
    x = 35,580.75

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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.