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Finding the Fourth Proportional to 49,465.60, 74,165.60 and 27,289.60

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Solution

The fourth proportional to 49,465.60, 74,165.60 and 27,289.60 is: 40,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,465.60 : 74,165.60 = 27,289.60 : x
  2. Step 2: Convert to fraction form
    49,465.60/74,165.60 = 27,289.60/x
  3. Step 3: Cross multiply
    49,465.60x = 74,165.60 × 27,289.60
  4. Step 4: Simplify right side
    49,465.60x = 2,023,949,557.76
  5. Step 5: Solve for x
    x = 2,023,949,557.76/49,465.60
  6. Step 6: Final answer
    x = 40,916.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.