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Finding the Fourth Proportional to 5,472.54, 8,210.11 and 1,774.77

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Solution

The fourth proportional to 5,472.54, 8,210.11 and 1,774.77 is: 2,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.54 : 8,210.11 = 1,774.77 : x
  2. Step 2: Convert to fraction form
    5,472.54/8,210.11 = 1,774.77/x
  3. Step 3: Cross multiply
    5,472.54x = 8,210.11 × 1,774.77
  4. Step 4: Simplify right side
    5,472.54x = 14,571,052.49
  5. Step 5: Solve for x
    x = 14,571,052.49/5,472.54
  6. Step 6: Final answer
    x = 2,662.58

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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.