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Finding the Fourth Proportional to 28,593.34, 42,906.84 and 11,952.07

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Solution

The fourth proportional to 28,593.34, 42,906.84 and 11,952.07 is: 17,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.34 : 42,906.84 = 11,952.07 : x
  2. Step 2: Convert to fraction form
    28,593.34/42,906.84 = 11,952.07/x
  3. Step 3: Cross multiply
    28,593.34x = 42,906.84 × 11,952.07
  4. Step 4: Simplify right side
    28,593.34x = 512,825,555.16
  5. Step 5: Solve for x
    x = 512,825,555.16/28,593.34
  6. Step 6: Final answer
    x = 17,935.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.