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Finding the Fourth Proportional to 43,782.84, 60,417.84 and 25,879.50

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Solution

The fourth proportional to 43,782.84, 60,417.84 and 25,879.50 is: 35,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.84 : 60,417.84 = 25,879.50 : x
  2. Step 2: Convert to fraction form
    43,782.84/60,417.84 = 25,879.50/x
  3. Step 3: Cross multiply
    43,782.84x = 60,417.84 × 25,879.50
  4. Step 4: Simplify right side
    43,782.84x = 1,563,583,490.28
  5. Step 5: Solve for x
    x = 1,563,583,490.28/43,782.84
  6. Step 6: Final answer
    x = 35,712.24

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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.