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Finding the Fourth Proportional to 49,886.40, 74,840.40 and 14,829.60

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Solution

The fourth proportional to 49,886.40, 74,840.40 and 14,829.60 is: 22,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.40 : 74,840.40 = 14,829.60 : x
  2. Step 2: Convert to fraction form
    49,886.40/74,840.40 = 14,829.60/x
  3. Step 3: Cross multiply
    49,886.40x = 74,840.40 × 14,829.60
  4. Step 4: Simplify right side
    49,886.40x = 1,109,853,195.84
  5. Step 5: Solve for x
    x = 1,109,853,195.84/49,886.40
  6. Step 6: Final answer
    x = 22,247.61

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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.