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Finding the Fourth Proportional to 4,953.86, 6,844.94 and 3,899.98

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Solution

The fourth proportional to 4,953.86, 6,844.94 and 3,899.98 is: 5,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.86 : 6,844.94 = 3,899.98 : x
  2. Step 2: Convert to fraction form
    4,953.86/6,844.94 = 3,899.98/x
  3. Step 3: Cross multiply
    4,953.86x = 6,844.94 × 3,899.98
  4. Step 4: Simplify right side
    4,953.86x = 26,695,129.10
  5. Step 5: Solve for x
    x = 26,695,129.10/4,953.86
  6. Step 6: Final answer
    x = 5,388.75

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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.