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Finding the Fourth Proportional to 64,183.98, 88,558.88 and 38,683.56

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Solution

The fourth proportional to 64,183.98, 88,558.88 and 38,683.56 is: 53,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,183.98 : 88,558.88 = 38,683.56 : x
  2. Step 2: Convert to fraction form
    64,183.98/88,558.88 = 38,683.56/x
  3. Step 3: Cross multiply
    64,183.98x = 88,558.88 × 38,683.56
  4. Step 4: Simplify right side
    64,183.98x = 3,425,772,554.60
  5. Step 5: Solve for x
    x = 3,425,772,554.60/64,183.98
  6. Step 6: Final answer
    x = 53,374.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.