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Finding the Fourth Proportional to 64,817.70, 89,451.89 and 37,962.26

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Solution

The fourth proportional to 64,817.70, 89,451.89 and 37,962.26 is: 52,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,817.70 : 89,451.89 = 37,962.26 : x
  2. Step 2: Convert to fraction form
    64,817.70/89,451.89 = 37,962.26/x
  3. Step 3: Cross multiply
    64,817.70x = 89,451.89 × 37,962.26
  4. Step 4: Simplify right side
    64,817.70x = 3,395,795,268.60
  5. Step 5: Solve for x
    x = 3,395,795,268.60/64,817.70
  6. Step 6: Final answer
    x = 52,389.94

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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.