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Finding the Fourth Proportional to 58,620, 80,894.53 and 33,125.82

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Solution

The fourth proportional to 58,620, 80,894.53 and 33,125.82 is: 45,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,620 : 80,894.53 = 33,125.82 : x
  2. Step 2: Convert to fraction form
    58,620/80,894.53 = 33,125.82/x
  3. Step 3: Cross multiply
    58,620x = 80,894.53 × 33,125.82
  4. Step 4: Simplify right side
    58,620x = 2,679,697,639.76
  5. Step 5: Solve for x
    x = 2,679,697,639.76/58,620
  6. Step 6: Final answer
    x = 45,713.03

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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.