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Finding the Fourth Proportional to 60,429.57, 90,620.73 and 22,969.77

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Solution

The fourth proportional to 60,429.57, 90,620.73 and 22,969.77 is: 34,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,429.57 : 90,620.73 = 22,969.77 : x
  2. Step 2: Convert to fraction form
    60,429.57/90,620.73 = 22,969.77/x
  3. Step 3: Cross multiply
    60,429.57x = 90,620.73 × 22,969.77
  4. Step 4: Simplify right side
    60,429.57x = 2,081,537,325.33
  5. Step 5: Solve for x
    x = 2,081,537,325.33/60,429.57
  6. Step 6: Final answer
    x = 34,445.67

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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.