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Finding the Fourth Proportional to 58,801.46, 81,143.29 and 33,307.25

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Solution

The fourth proportional to 58,801.46, 81,143.29 and 33,307.25 is: 45,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,801.46 : 81,143.29 = 33,307.25 : x
  2. Step 2: Convert to fraction form
    58,801.46/81,143.29 = 33,307.25/x
  3. Step 3: Cross multiply
    58,801.46x = 81,143.29 × 33,307.25
  4. Step 4: Simplify right side
    58,801.46x = 2,702,659,845.85
  5. Step 5: Solve for x
    x = 2,702,659,845.85/58,801.46
  6. Step 6: Final answer
    x = 45,962.46

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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.