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Finding the Fourth Proportional to 56,550.48, 84,790.88 and 19,107.01

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Solution

The fourth proportional to 56,550.48, 84,790.88 and 19,107.01 is: 28,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,550.48 : 84,790.88 = 19,107.01 : x
  2. Step 2: Convert to fraction form
    56,550.48/84,790.88 = 19,107.01/x
  3. Step 3: Cross multiply
    56,550.48x = 84,790.88 × 19,107.01
  4. Step 4: Simplify right side
    56,550.48x = 1,620,100,192.07
  5. Step 5: Solve for x
    x = 1,620,100,192.07/56,550.48
  6. Step 6: Final answer
    x = 28,648.74

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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.