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Finding the Fourth Proportional to 58,791.66, 88,186.24 and 14,418.64

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Solution

The fourth proportional to 58,791.66, 88,186.24 and 14,418.64 is: 21,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,791.66 : 88,186.24 = 14,418.64 : x
  2. Step 2: Convert to fraction form
    58,791.66/88,186.24 = 14,418.64/x
  3. Step 3: Cross multiply
    58,791.66x = 88,186.24 × 14,418.64
  4. Step 4: Simplify right side
    58,791.66x = 1,271,525,647.51
  5. Step 5: Solve for x
    x = 1,271,525,647.51/58,791.66
  6. Step 6: Final answer
    x = 21,627.65

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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.