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Finding the Fourth Proportional to 7,776.66, 11,664.99 and 2,582.54

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Solution

The fourth proportional to 7,776.66, 11,664.99 and 2,582.54 is: 3,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.66 : 11,664.99 = 2,582.54 : x
  2. Step 2: Convert to fraction form
    7,776.66/11,664.99 = 2,582.54/x
  3. Step 3: Cross multiply
    7,776.66x = 11,664.99 × 2,582.54
  4. Step 4: Simplify right side
    7,776.66x = 30,125,244.95
  5. Step 5: Solve for x
    x = 30,125,244.95/7,776.66
  6. Step 6: Final answer
    x = 3,873.80

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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.