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Finding the Fourth Proportional to 58,190.31, 80,301.90 and 33,038.19

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Solution

The fourth proportional to 58,190.31, 80,301.90 and 33,038.19 is: 45,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,190.31 : 80,301.90 = 33,038.19 : x
  2. Step 2: Convert to fraction form
    58,190.31/80,301.90 = 33,038.19/x
  3. Step 3: Cross multiply
    58,190.31x = 80,301.90 × 33,038.19
  4. Step 4: Simplify right side
    58,190.31x = 2,653,029,429.56
  5. Step 5: Solve for x
    x = 2,653,029,429.56/58,190.31
  6. Step 6: Final answer
    x = 45,592.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.