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Finding the Fourth Proportional to 64,896.60, 97,344.90 and 44,160.60

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Solution

The fourth proportional to 64,896.60, 97,344.90 and 44,160.60 is: 66,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,896.60 : 97,344.90 = 44,160.60 : x
  2. Step 2: Convert to fraction form
    64,896.60/97,344.90 = 44,160.60/x
  3. Step 3: Cross multiply
    64,896.60x = 97,344.90 × 44,160.60
  4. Step 4: Simplify right side
    64,896.60x = 4,298,809,190.94
  5. Step 5: Solve for x
    x = 4,298,809,190.94/64,896.60
  6. Step 6: Final answer
    x = 66,240.90

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1.5x scale

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.