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Finding the Fourth Proportional to 66,007.60, 98,865.60 and 26,544.40

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Solution

The fourth proportional to 66,007.60, 98,865.60 and 26,544.40 is: 39,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007.60 : 98,865.60 = 26,544.40 : x
  2. Step 2: Convert to fraction form
    66,007.60/98,865.60 = 26,544.40/x
  3. Step 3: Cross multiply
    66,007.60x = 98,865.60 × 26,544.40
  4. Step 4: Simplify right side
    66,007.60x = 2,624,328,032.64
  5. Step 5: Solve for x
    x = 2,624,328,032.64/66,007.60
  6. Step 6: Final answer
    x = 39,757.97

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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.