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Finding the Fourth Proportional to 62,803.77, 86,664.16 and 35,940.12

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Solution

The fourth proportional to 62,803.77, 86,664.16 and 35,940.12 is: 49,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,803.77 : 86,664.16 = 35,940.12 : x
  2. Step 2: Convert to fraction form
    62,803.77/86,664.16 = 35,940.12/x
  3. Step 3: Cross multiply
    62,803.77x = 86,664.16 × 35,940.12
  4. Step 4: Simplify right side
    62,803.77x = 3,114,720,310.10
  5. Step 5: Solve for x
    x = 3,114,720,310.10/62,803.77
  6. Step 6: Final answer
    x = 49,594.48

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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.