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Finding the Fourth Proportional to 6,644.16, 9,180.48 and 5,464.32

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Solution

The fourth proportional to 6,644.16, 9,180.48 and 5,464.32 is: 7,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.16 : 9,180.48 = 5,464.32 : x
  2. Step 2: Convert to fraction form
    6,644.16/9,180.48 = 5,464.32/x
  3. Step 3: Cross multiply
    6,644.16x = 9,180.48 × 5,464.32
  4. Step 4: Simplify right side
    6,644.16x = 50,165,080.47
  5. Step 5: Solve for x
    x = 50,165,080.47/6,644.16
  6. Step 6: Final answer
    x = 7,550.25

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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.