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Finding the Fourth Proportional to 49,892.40, 74,849.40 and 14,835.60

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Solution

The fourth proportional to 49,892.40, 74,849.40 and 14,835.60 is: 22,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,892.40 : 74,849.40 = 14,835.60 : x
  2. Step 2: Convert to fraction form
    49,892.40/74,849.40 = 14,835.60/x
  3. Step 3: Cross multiply
    49,892.40x = 74,849.40 × 14,835.60
  4. Step 4: Simplify right side
    49,892.40x = 1,110,435,758.64
  5. Step 5: Solve for x
    x = 1,110,435,758.64/49,892.40
  6. Step 6: Final answer
    x = 22,256.61

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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.