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Finding the Fourth Proportional to 10,230.54, 15,345.27 and 2,835.24

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Solution

The fourth proportional to 10,230.54, 15,345.27 and 2,835.24 is: 4,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.54 : 15,345.27 = 2,835.24 : x
  2. Step 2: Convert to fraction form
    10,230.54/15,345.27 = 2,835.24/x
  3. Step 3: Cross multiply
    10,230.54x = 15,345.27 × 2,835.24
  4. Step 4: Simplify right side
    10,230.54x = 43,507,523.31
  5. Step 5: Solve for x
    x = 43,507,523.31/10,230.54
  6. Step 6: Final answer
    x = 4,252.71

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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.