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Finding the Fourth Proportional to 6,482.96, 8,943.36 and 6,231.45

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Solution

The fourth proportional to 6,482.96, 8,943.36 and 6,231.45 is: 8,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.96 : 8,943.36 = 6,231.45 : x
  2. Step 2: Convert to fraction form
    6,482.96/8,943.36 = 6,231.45/x
  3. Step 3: Cross multiply
    6,482.96x = 8,943.36 × 6,231.45
  4. Step 4: Simplify right side
    6,482.96x = 55,730,100.67
  5. Step 5: Solve for x
    x = 55,730,100.67/6,482.96
  6. Step 6: Final answer
    x = 8,596.40

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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.