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Finding the Fourth Proportional to 23,238.68, 32,069.68 and 12,628.48

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Solution

The fourth proportional to 23,238.68, 32,069.68 and 12,628.48 is: 17,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,238.68 : 32,069.68 = 12,628.48 : x
  2. Step 2: Convert to fraction form
    23,238.68/32,069.68 = 12,628.48/x
  3. Step 3: Cross multiply
    23,238.68x = 32,069.68 × 12,628.48
  4. Step 4: Simplify right side
    23,238.68x = 404,991,312.49
  5. Step 5: Solve for x
    x = 404,991,312.49/23,238.68
  6. Step 6: Final answer
    x = 17,427.47

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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.