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Finding the Fourth Proportional to 8,803.44, 12,148.75 and 5,077.44

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Solution

The fourth proportional to 8,803.44, 12,148.75 and 5,077.44 is: 7,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.44 : 12,148.75 = 5,077.44 : x
  2. Step 2: Convert to fraction form
    8,803.44/12,148.75 = 5,077.44/x
  3. Step 3: Cross multiply
    8,803.44x = 12,148.75 × 5,077.44
  4. Step 4: Simplify right side
    8,803.44x = 61,684,523.81
  5. Step 5: Solve for x
    x = 61,684,523.81/8,803.44
  6. Step 6: Final answer
    x = 7,006.87

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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.