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Finding the Fourth Proportional to 22,019.31, 33,030.63 and 10,914.81

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Solution

The fourth proportional to 22,019.31, 33,030.63 and 10,914.81 is: 16,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.31 : 33,030.63 = 10,914.81 : x
  2. Step 2: Convert to fraction form
    22,019.31/33,030.63 = 10,914.81/x
  3. Step 3: Cross multiply
    22,019.31x = 33,030.63 × 10,914.81
  4. Step 4: Simplify right side
    22,019.31x = 360,522,996.06
  5. Step 5: Solve for x
    x = 360,522,996.06/22,019.31
  6. Step 6: Final answer
    x = 16,373.04

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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.