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Finding the Fourth Proportional to 58,505.65, 80,737.29 and 33,012.21

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Solution

The fourth proportional to 58,505.65, 80,737.29 and 33,012.21 is: 45,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,505.65 : 80,737.29 = 33,012.21 : x
  2. Step 2: Convert to fraction form
    58,505.65/80,737.29 = 33,012.21/x
  3. Step 3: Cross multiply
    58,505.65x = 80,737.29 × 33,012.21
  4. Step 4: Simplify right side
    58,505.65x = 2,665,316,372.31
  5. Step 5: Solve for x
    x = 2,665,316,372.31/58,505.65
  6. Step 6: Final answer
    x = 45,556.56

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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.