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Finding the Fourth Proportional to 9,080.80, 13,614.80 and 4,152.80

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Solution

The fourth proportional to 9,080.80, 13,614.80 and 4,152.80 is: 6,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.80 : 13,614.80 = 4,152.80 : x
  2. Step 2: Convert to fraction form
    9,080.80/13,614.80 = 4,152.80/x
  3. Step 3: Cross multiply
    9,080.80x = 13,614.80 × 4,152.80
  4. Step 4: Simplify right side
    9,080.80x = 56,539,541.44
  5. Step 5: Solve for x
    x = 56,539,541.44/9,080.80
  6. Step 6: Final answer
    x = 6,226.27

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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.