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Finding the Fourth Proportional to 60,409.90, 90,564.96 and 26,651.86

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Solution

The fourth proportional to 60,409.90, 90,564.96 and 26,651.86 is: 39,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,409.90 : 90,564.96 = 26,651.86 : x
  2. Step 2: Convert to fraction form
    60,409.90/90,564.96 = 26,651.86/x
  3. Step 3: Cross multiply
    60,409.90x = 90,564.96 × 26,651.86
  4. Step 4: Simplify right side
    60,409.90x = 2,413,724,634.83
  5. Step 5: Solve for x
    x = 2,413,724,634.83/60,409.90
  6. Step 6: Final answer
    x = 39,955.78

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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.