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Finding the Fourth Proportional to 43,642.56, 60,222 and 29,299.47

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Solution

The fourth proportional to 43,642.56, 60,222 and 29,299.47 is: 40,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,642.56 : 60,222 = 29,299.47 : x
  2. Step 2: Convert to fraction form
    43,642.56/60,222 = 29,299.47/x
  3. Step 3: Cross multiply
    43,642.56x = 60,222 × 29,299.47
  4. Step 4: Simplify right side
    43,642.56x = 1,764,472,682.34
  5. Step 5: Solve for x
    x = 1,764,472,682.34/43,642.56
  6. Step 6: Final answer
    x = 40,430.09

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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.