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Finding the Fourth Proportional to 49,561.60, 74,169.60 and 34,009.60

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Solution

The fourth proportional to 49,561.60, 74,169.60 and 34,009.60 is: 50,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,561.60 : 74,169.60 = 34,009.60 : x
  2. Step 2: Convert to fraction form
    49,561.60/74,169.60 = 34,009.60/x
  3. Step 3: Cross multiply
    49,561.60x = 74,169.60 × 34,009.60
  4. Step 4: Simplify right side
    49,561.60x = 2,522,478,428.16
  5. Step 5: Solve for x
    x = 2,522,478,428.16/49,561.60
  6. Step 6: Final answer
    x = 50,895.82

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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.