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Finding the Fourth Proportional to 6,412.68, 8,846.82 and 4,317.48

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Solution

The fourth proportional to 6,412.68, 8,846.82 and 4,317.48 is: 5,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.68 : 8,846.82 = 4,317.48 : x
  2. Step 2: Convert to fraction form
    6,412.68/8,846.82 = 4,317.48/x
  3. Step 3: Cross multiply
    6,412.68x = 8,846.82 × 4,317.48
  4. Step 4: Simplify right side
    6,412.68x = 38,195,968.41
  5. Step 5: Solve for x
    x = 38,195,968.41/6,412.68
  6. Step 6: Final answer
    x = 5,956.32

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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.