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Finding the Fourth Proportional to 6,154.44, 8,501.14 and 4,979.94

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Solution

The fourth proportional to 6,154.44, 8,501.14 and 4,979.94 is: 6,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.44 : 8,501.14 = 4,979.94 : x
  2. Step 2: Convert to fraction form
    6,154.44/8,501.14 = 4,979.94/x
  3. Step 3: Cross multiply
    6,154.44x = 8,501.14 × 4,979.94
  4. Step 4: Simplify right side
    6,154.44x = 42,335,167.13
  5. Step 5: Solve for x
    x = 42,335,167.13/6,154.44
  6. Step 6: Final answer
    x = 6,878.80

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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.