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Finding the Fourth Proportional to 17,203.68, 23,713.44 and 12,948.48

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Solution

The fourth proportional to 17,203.68, 23,713.44 and 12,948.48 is: 17,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,203.68 : 23,713.44 = 12,948.48 : x
  2. Step 2: Convert to fraction form
    17,203.68/23,713.44 = 12,948.48/x
  3. Step 3: Cross multiply
    17,203.68x = 23,713.44 × 12,948.48
  4. Step 4: Simplify right side
    17,203.68x = 307,053,003.57
  5. Step 5: Solve for x
    x = 307,053,003.57/17,203.68
  6. Step 6: Final answer
    x = 17,848.10

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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.