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Finding the Fourth Proportional to 62,414.40, 93,629.70 and 30,840.60

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Solution

The fourth proportional to 62,414.40, 93,629.70 and 30,840.60 is: 46,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,414.40 : 93,629.70 = 30,840.60 : x
  2. Step 2: Convert to fraction form
    62,414.40/93,629.70 = 30,840.60/x
  3. Step 3: Cross multiply
    62,414.40x = 93,629.70 × 30,840.60
  4. Step 4: Simplify right side
    62,414.40x = 2,887,596,125.82
  5. Step 5: Solve for x
    x = 2,887,596,125.82/62,414.40
  6. Step 6: Final answer
    x = 46,264.90

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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.