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Finding the Fourth Proportional to 60,394.36, 90,563.42 and 22,417.21

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Solution

The fourth proportional to 60,394.36, 90,563.42 and 22,417.21 is: 33,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,394.36 : 90,563.42 = 22,417.21 : x
  2. Step 2: Convert to fraction form
    60,394.36/90,563.42 = 22,417.21/x
  3. Step 3: Cross multiply
    60,394.36x = 90,563.42 × 22,417.21
  4. Step 4: Simplify right side
    60,394.36x = 2,030,178,738.19
  5. Step 5: Solve for x
    x = 2,030,178,738.19/60,394.36
  6. Step 6: Final answer
    x = 33,615.37

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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.