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Finding the Fourth Proportional to 12,593.02, 18,888.31 and 3,828.01

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Solution

The fourth proportional to 12,593.02, 18,888.31 and 3,828.01 is: 5,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.02 : 18,888.31 = 3,828.01 : x
  2. Step 2: Convert to fraction form
    12,593.02/18,888.31 = 3,828.01/x
  3. Step 3: Cross multiply
    12,593.02x = 18,888.31 × 3,828.01
  4. Step 4: Simplify right side
    12,593.02x = 72,304,639.56
  5. Step 5: Solve for x
    x = 72,304,639.56/12,593.02
  6. Step 6: Final answer
    x = 5,741.64

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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.