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Finding the Fourth Proportional to 9,783.35, 14,662.26 and 3,936.77

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Solution

The fourth proportional to 9,783.35, 14,662.26 and 3,936.77 is: 5,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.35 : 14,662.26 = 3,936.77 : x
  2. Step 2: Convert to fraction form
    9,783.35/14,662.26 = 3,936.77/x
  3. Step 3: Cross multiply
    9,783.35x = 14,662.26 × 3,936.77
  4. Step 4: Simplify right side
    9,783.35x = 57,721,871.99
  5. Step 5: Solve for x
    x = 57,721,871.99/9,783.35
  6. Step 6: Final answer
    x = 5,900.01

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1.5x scale

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.