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Finding the Fourth Proportional to 5,527.77, 7,628.07 and 3,009.88

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Solution

The fourth proportional to 5,527.77, 7,628.07 and 3,009.88 is: 4,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.77 : 7,628.07 = 3,009.88 : x
  2. Step 2: Convert to fraction form
    5,527.77/7,628.07 = 3,009.88/x
  3. Step 3: Cross multiply
    5,527.77x = 7,628.07 × 3,009.88
  4. Step 4: Simplify right side
    5,527.77x = 22,959,575.33
  5. Step 5: Solve for x
    x = 22,959,575.33/5,527.77
  6. Step 6: Final answer
    x = 4,153.50

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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.