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Finding the Fourth Proportional to 69,783.38, 96,260.06 and 43,900.77

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Solution

The fourth proportional to 69,783.38, 96,260.06 and 43,900.77 is: 60,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783.38 : 96,260.06 = 43,900.77 : x
  2. Step 2: Convert to fraction form
    69,783.38/96,260.06 = 43,900.77/x
  3. Step 3: Cross multiply
    69,783.38x = 96,260.06 × 43,900.77
  4. Step 4: Simplify right side
    69,783.38x = 4,225,891,224.97
  5. Step 5: Solve for x
    x = 4,225,891,224.97/69,783.38
  6. Step 6: Final answer
    x = 60,557.27

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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.