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Finding the Fourth Proportional to 57,776.93, 79,730.67 and 32,283.51

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Solution

The fourth proportional to 57,776.93, 79,730.67 and 32,283.51 is: 44,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,776.93 : 79,730.67 = 32,283.51 : x
  2. Step 2: Convert to fraction form
    57,776.93/79,730.67 = 32,283.51/x
  3. Step 3: Cross multiply
    57,776.93x = 79,730.67 × 32,283.51
  4. Step 4: Simplify right side
    57,776.93x = 2,573,985,971.22
  5. Step 5: Solve for x
    x = 2,573,985,971.22/57,776.93
  6. Step 6: Final answer
    x = 44,550.41

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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.