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Finding the Fourth Proportional to 10,669.92, 14,724.36 and 5,955

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Solution

The fourth proportional to 10,669.92, 14,724.36 and 5,955 is: 8,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.92 : 14,724.36 = 5,955 : x
  2. Step 2: Convert to fraction form
    10,669.92/14,724.36 = 5,955/x
  3. Step 3: Cross multiply
    10,669.92x = 14,724.36 × 5,955
  4. Step 4: Simplify right side
    10,669.92x = 87,683,563.80
  5. Step 5: Solve for x
    x = 87,683,563.80/10,669.92
  6. Step 6: Final answer
    x = 8,217.83

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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.