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Finding the Fourth Proportional to 7,777.66, 11,666.49 and 2,583.54

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Solution

The fourth proportional to 7,777.66, 11,666.49 and 2,583.54 is: 3,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.66 : 11,666.49 = 2,583.54 : x
  2. Step 2: Convert to fraction form
    7,777.66/11,666.49 = 2,583.54/x
  3. Step 3: Cross multiply
    7,777.66x = 11,666.49 × 2,583.54
  4. Step 4: Simplify right side
    7,777.66x = 30,140,843.57
  5. Step 5: Solve for x
    x = 30,140,843.57/7,777.66
  6. Step 6: Final answer
    x = 3,875.31

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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.