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Finding the Fourth Proportional to 9,080.68, 13,612.80 and 6,308.65

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Solution

The fourth proportional to 9,080.68, 13,612.80 and 6,308.65 is: 9,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.68 : 13,612.80 = 6,308.65 : x
  2. Step 2: Convert to fraction form
    9,080.68/13,612.80 = 6,308.65/x
  3. Step 3: Cross multiply
    9,080.68x = 13,612.80 × 6,308.65
  4. Step 4: Simplify right side
    9,080.68x = 85,878,390.72
  5. Step 5: Solve for x
    x = 85,878,390.72/9,080.68
  6. Step 6: Final answer
    x = 9,457.26

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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.