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Finding the Fourth Proportional to 6,460.53, 8,912.81 and 4,066.26

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Solution

The fourth proportional to 6,460.53, 8,912.81 and 4,066.26 is: 5,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.53 : 8,912.81 = 4,066.26 : x
  2. Step 2: Convert to fraction form
    6,460.53/8,912.81 = 4,066.26/x
  3. Step 3: Cross multiply
    6,460.53x = 8,912.81 × 4,066.26
  4. Step 4: Simplify right side
    6,460.53x = 36,241,782.46
  5. Step 5: Solve for x
    x = 36,241,782.46/6,460.53
  6. Step 6: Final answer
    x = 5,609.72

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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.