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Finding the Fourth Proportional to 12,832.44, 17,710.22 and 7,243

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Solution

The fourth proportional to 12,832.44, 17,710.22 and 7,243 is: 9,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.44 : 17,710.22 = 7,243 : x
  2. Step 2: Convert to fraction form
    12,832.44/17,710.22 = 7,243/x
  3. Step 3: Cross multiply
    12,832.44x = 17,710.22 × 7,243
  4. Step 4: Simplify right side
    12,832.44x = 128,275,123.46
  5. Step 5: Solve for x
    x = 128,275,123.46/12,832.44
  6. Step 6: Final answer
    x = 9,996.16

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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.