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Finding the Fourth Proportional to 6,908.49, 10,342.08 and 5,985.09

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Solution

The fourth proportional to 6,908.49, 10,342.08 and 5,985.09 is: 8,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.49 : 10,342.08 = 5,985.09 : x
  2. Step 2: Convert to fraction form
    6,908.49/10,342.08 = 5,985.09/x
  3. Step 3: Cross multiply
    6,908.49x = 10,342.08 × 5,985.09
  4. Step 4: Simplify right side
    6,908.49x = 61,898,279.59
  5. Step 5: Solve for x
    x = 61,898,279.59/6,908.49
  6. Step 6: Final answer
    x = 8,959.74

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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.