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Finding the Fourth Proportional to 62,980.36, 94,266.42 and 46,336.84

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Solution

The fourth proportional to 62,980.36, 94,266.42 and 46,336.84 is: 69,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980.36 : 94,266.42 = 46,336.84 : x
  2. Step 2: Convert to fraction form
    62,980.36/94,266.42 = 46,336.84/x
  3. Step 3: Cross multiply
    62,980.36x = 94,266.42 × 46,336.84
  4. Step 4: Simplify right side
    62,980.36x = 4,368,008,020.91
  5. Step 5: Solve for x
    x = 4,368,008,020.91/62,980.36
  6. Step 6: Final answer
    x = 69,355.08

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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.