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Finding the Fourth Proportional to 18,352.49, 27,528.74 and 5,203.22

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Solution

The fourth proportional to 18,352.49, 27,528.74 and 5,203.22 is: 7,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.49 : 27,528.74 = 5,203.22 : x
  2. Step 2: Convert to fraction form
    18,352.49/27,528.74 = 5,203.22/x
  3. Step 3: Cross multiply
    18,352.49x = 27,528.74 × 5,203.22
  4. Step 4: Simplify right side
    18,352.49x = 143,238,064.53
  5. Step 5: Solve for x
    x = 143,238,064.53/18,352.49
  6. Step 6: Final answer
    x = 7,804.83

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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.