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Finding the Fourth Proportional to 8,351.63, 12,523.53 and 4,842.63

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Solution

The fourth proportional to 8,351.63, 12,523.53 and 4,842.63 is: 7,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.63 : 12,523.53 = 4,842.63 : x
  2. Step 2: Convert to fraction form
    8,351.63/12,523.53 = 4,842.63/x
  3. Step 3: Cross multiply
    8,351.63x = 12,523.53 × 4,842.63
  4. Step 4: Simplify right side
    8,351.63x = 60,646,840.24
  5. Step 5: Solve for x
    x = 60,646,840.24/8,351.63
  6. Step 6: Final answer
    x = 7,261.68

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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.