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Finding the Fourth Proportional to 33,980.79, 46,905.87 and 29,181.39

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Solution

The fourth proportional to 33,980.79, 46,905.87 and 29,181.39 is: 40,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.79 : 46,905.87 = 29,181.39 : x
  2. Step 2: Convert to fraction form
    33,980.79/46,905.87 = 29,181.39/x
  3. Step 3: Cross multiply
    33,980.79x = 46,905.87 × 29,181.39
  4. Step 4: Simplify right side
    33,980.79x = 1,368,778,485.76
  5. Step 5: Solve for x
    x = 1,368,778,485.76/33,980.79
  6. Step 6: Final answer
    x = 40,280.95

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1.5x scale

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.