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Finding the Fourth Proportional to 6,967.16, 9,608.28 and 6,464.16

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Solution

The fourth proportional to 6,967.16, 9,608.28 and 6,464.16 is: 8,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.16 : 9,608.28 = 6,464.16 : x
  2. Step 2: Convert to fraction form
    6,967.16/9,608.28 = 6,464.16/x
  3. Step 3: Cross multiply
    6,967.16x = 9,608.28 × 6,464.16
  4. Step 4: Simplify right side
    6,967.16x = 62,109,459.24
  5. Step 5: Solve for x
    x = 62,109,459.24/6,967.16
  6. Step 6: Final answer
    x = 8,914.60

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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.