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Finding the Fourth Proportional to 60,574.13, 90,861.24 and 19,021.13

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Solution

The fourth proportional to 60,574.13, 90,861.24 and 19,021.13 is: 28,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,574.13 : 90,861.24 = 19,021.13 : x
  2. Step 2: Convert to fraction form
    60,574.13/90,861.24 = 19,021.13/x
  3. Step 3: Cross multiply
    60,574.13x = 90,861.24 × 19,021.13
  4. Step 4: Simplify right side
    60,574.13x = 1,728,283,415.75
  5. Step 5: Solve for x
    x = 1,728,283,415.75/60,574.13
  6. Step 6: Final answer
    x = 28,531.71

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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.