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Finding the Fourth Proportional to 64,615, 96,922.50 and 17,230.24

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Solution

The fourth proportional to 64,615, 96,922.50 and 17,230.24 is: 25,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,615 : 96,922.50 = 17,230.24 : x
  2. Step 2: Convert to fraction form
    64,615/96,922.50 = 17,230.24/x
  3. Step 3: Cross multiply
    64,615x = 96,922.50 × 17,230.24
  4. Step 4: Simplify right side
    64,615x = 1,669,997,936.40
  5. Step 5: Solve for x
    x = 1,669,997,936.40/64,615
  6. Step 6: Final answer
    x = 25,845.36

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Half scale
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Double scale
Find fourth proportional to 64,616, 96,924 and 17,231.24
Similar ratio
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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.