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Finding the Fourth Proportional to 62,216.70, 93,329.94 and 30,643.74

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Solution

The fourth proportional to 62,216.70, 93,329.94 and 30,643.74 is: 45,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,216.70 : 93,329.94 = 30,643.74 : x
  2. Step 2: Convert to fraction form
    62,216.70/93,329.94 = 30,643.74/x
  3. Step 3: Cross multiply
    62,216.70x = 93,329.94 × 30,643.74
  4. Step 4: Simplify right side
    62,216.70x = 2,859,978,415.58
  5. Step 5: Solve for x
    x = 2,859,978,415.58/62,216.70
  6. Step 6: Final answer
    x = 45,968.02

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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.