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Finding the Fourth Proportional to 10,908.66, 16,362.08 and 4,333.08

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Solution

The fourth proportional to 10,908.66, 16,362.08 and 4,333.08 is: 6,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.66 : 16,362.08 = 4,333.08 : x
  2. Step 2: Convert to fraction form
    10,908.66/16,362.08 = 4,333.08/x
  3. Step 3: Cross multiply
    10,908.66x = 16,362.08 × 4,333.08
  4. Step 4: Simplify right side
    10,908.66x = 70,898,201.61
  5. Step 5: Solve for x
    x = 70,898,201.61/10,908.66
  6. Step 6: Final answer
    x = 6,499.26

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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.