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Finding the Fourth Proportional to 18,009.37, 26,995.58 and 6,913.07

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Solution

The fourth proportional to 18,009.37, 26,995.58 and 6,913.07 is: 10,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.37 : 26,995.58 = 6,913.07 : x
  2. Step 2: Convert to fraction form
    18,009.37/26,995.58 = 6,913.07/x
  3. Step 3: Cross multiply
    18,009.37x = 26,995.58 × 6,913.07
  4. Step 4: Simplify right side
    18,009.37x = 186,622,334.23
  5. Step 5: Solve for x
    x = 186,622,334.23/18,009.37
  6. Step 6: Final answer
    x = 10,362.51

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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.