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Finding the Fourth Proportional to 23,892.88, 35,637.73 and 20,748.16

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Solution

The fourth proportional to 23,892.88, 35,637.73 and 20,748.16 is: 30,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,892.88 : 35,637.73 = 20,748.16 : x
  2. Step 2: Convert to fraction form
    23,892.88/35,637.73 = 20,748.16/x
  3. Step 3: Cross multiply
    23,892.88x = 35,637.73 × 20,748.16
  4. Step 4: Simplify right side
    23,892.88x = 739,417,324.08
  5. Step 5: Solve for x
    x = 739,417,324.08/23,892.88
  6. Step 6: Final answer
    x = 30,947.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.