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Finding the Fourth Proportional to 23,679.24, 32,679 and 13,069.32

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Solution

The fourth proportional to 23,679.24, 32,679 and 13,069.32 is: 18,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,679.24 : 32,679 = 13,069.32 : x
  2. Step 2: Convert to fraction form
    23,679.24/32,679 = 13,069.32/x
  3. Step 3: Cross multiply
    23,679.24x = 32,679 × 13,069.32
  4. Step 4: Simplify right side
    23,679.24x = 427,092,308.28
  5. Step 5: Solve for x
    x = 427,092,308.28/23,679.24
  6. Step 6: Final answer
    x = 18,036.57

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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.