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Finding the Fourth Proportional to 8,184.80, 11,295.02 and 4,458.80

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Solution

The fourth proportional to 8,184.80, 11,295.02 and 4,458.80 is: 6,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.80 : 11,295.02 = 4,458.80 : x
  2. Step 2: Convert to fraction form
    8,184.80/11,295.02 = 4,458.80/x
  3. Step 3: Cross multiply
    8,184.80x = 11,295.02 × 4,458.80
  4. Step 4: Simplify right side
    8,184.80x = 50,362,198.49
  5. Step 5: Solve for x
    x = 50,362,198.49/8,184.80
  6. Step 6: Final answer
    x = 6,153.14

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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.