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Finding the Fourth Proportional to 6,245.79, 8,607.35 and 4,474.32

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Solution

The fourth proportional to 6,245.79, 8,607.35 and 4,474.32 is: 6,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.79 : 8,607.35 = 4,474.32 : x
  2. Step 2: Convert to fraction form
    6,245.79/8,607.35 = 4,474.32/x
  3. Step 3: Cross multiply
    6,245.79x = 8,607.35 × 4,474.32
  4. Step 4: Simplify right side
    6,245.79x = 38,512,015.88
  5. Step 5: Solve for x
    x = 38,512,015.88/6,245.79
  6. Step 6: Final answer
    x = 6,166.08

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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.