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Finding the Fourth Proportional to 23,368.72, 32,232.80 and 13,930

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Solution

The fourth proportional to 23,368.72, 32,232.80 and 13,930 is: 19,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,368.72 : 32,232.80 = 13,930 : x
  2. Step 2: Convert to fraction form
    23,368.72/32,232.80 = 13,930/x
  3. Step 3: Cross multiply
    23,368.72x = 32,232.80 × 13,930
  4. Step 4: Simplify right side
    23,368.72x = 449,002,904
  5. Step 5: Solve for x
    x = 449,002,904/23,368.72
  6. Step 6: Final answer
    x = 19,213.84

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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.