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Finding the Fourth Proportional to 58,627.78, 87,941.73 and 14,254.22

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Solution

The fourth proportional to 58,627.78, 87,941.73 and 14,254.22 is: 21,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,627.78 : 87,941.73 = 14,254.22 : x
  2. Step 2: Convert to fraction form
    58,627.78/87,941.73 = 14,254.22/x
  3. Step 3: Cross multiply
    58,627.78x = 87,941.73 × 14,254.22
  4. Step 4: Simplify right side
    58,627.78x = 1,253,540,766.60
  5. Step 5: Solve for x
    x = 1,253,540,766.60/58,627.78
  6. Step 6: Final answer
    x = 21,381.34

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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.