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Finding the Fourth Proportional to 29,189.43, 43,775.03 and 19,193.63

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Solution

The fourth proportional to 29,189.43, 43,775.03 and 19,193.63 is: 28,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.43 : 43,775.03 = 19,193.63 : x
  2. Step 2: Convert to fraction form
    29,189.43/43,775.03 = 19,193.63/x
  3. Step 3: Cross multiply
    29,189.43x = 43,775.03 × 19,193.63
  4. Step 4: Simplify right side
    29,189.43x = 840,201,558.17
  5. Step 5: Solve for x
    x = 840,201,558.17/29,189.43
  6. Step 6: Final answer
    x = 28,784.45

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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.