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Finding the Fourth Proportional to 9,072.48, 12,519.48 and 5,093.86

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Solution

The fourth proportional to 9,072.48, 12,519.48 and 5,093.86 is: 7,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.48 : 12,519.48 = 5,093.86 : x
  2. Step 2: Convert to fraction form
    9,072.48/12,519.48 = 5,093.86/x
  3. Step 3: Cross multiply
    9,072.48x = 12,519.48 × 5,093.86
  4. Step 4: Simplify right side
    9,072.48x = 63,772,478.39
  5. Step 5: Solve for x
    x = 63,772,478.39/9,072.48
  6. Step 6: Final answer
    x = 7,029.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.