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Finding the Fourth Proportional to 86,266.50, 129,399.75 and 23,937

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Solution

The fourth proportional to 86,266.50, 129,399.75 and 23,937 is: 35,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,266.50 : 129,399.75 = 23,937 : x
  2. Step 2: Convert to fraction form
    86,266.50/129,399.75 = 23,937/x
  3. Step 3: Cross multiply
    86,266.50x = 129,399.75 × 23,937
  4. Step 4: Simplify right side
    86,266.50x = 3,097,441,815.75
  5. Step 5: Solve for x
    x = 3,097,441,815.75/86,266.50
  6. Step 6: Final answer
    x = 35,905.50

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Double scale
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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.