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Finding the Fourth Proportional to 10,641.99, 14,685.93 and 5,927.39

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Solution

The fourth proportional to 10,641.99, 14,685.93 and 5,927.39 is: 8,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.99 : 14,685.93 = 5,927.39 : x
  2. Step 2: Convert to fraction form
    10,641.99/14,685.93 = 5,927.39/x
  3. Step 3: Cross multiply
    10,641.99x = 14,685.93 × 5,927.39
  4. Step 4: Simplify right side
    10,641.99x = 87,049,161.19
  5. Step 5: Solve for x
    x = 87,049,161.19/10,641.99
  6. Step 6: Final answer
    x = 8,179.78

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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.