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Finding the Fourth Proportional to 66,027.60, 98,895.60 and 26,564.40

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Solution

The fourth proportional to 66,027.60, 98,895.60 and 26,564.40 is: 39,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,027.60 : 98,895.60 = 26,564.40 : x
  2. Step 2: Convert to fraction form
    66,027.60/98,895.60 = 26,564.40/x
  3. Step 3: Cross multiply
    66,027.60x = 98,895.60 × 26,564.40
  4. Step 4: Simplify right side
    66,027.60x = 2,627,102,276.64
  5. Step 5: Solve for x
    x = 2,627,102,276.64/66,027.60
  6. Step 6: Final answer
    x = 39,787.94

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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.