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Finding the Fourth Proportional to 29,309.33, 43,891.07 and 20,503.01

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Solution

The fourth proportional to 29,309.33, 43,891.07 and 20,503.01 is: 30,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.33 : 43,891.07 = 20,503.01 : x
  2. Step 2: Convert to fraction form
    29,309.33/43,891.07 = 20,503.01/x
  3. Step 3: Cross multiply
    29,309.33x = 43,891.07 × 20,503.01
  4. Step 4: Simplify right side
    29,309.33x = 899,898,725.15
  5. Step 5: Solve for x
    x = 899,898,725.15/29,309.33
  6. Step 6: Final answer
    x = 30,703.50

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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.