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Finding the Fourth Proportional to 8,632.44, 12,924.90 and 4,463.64

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Solution

The fourth proportional to 8,632.44, 12,924.90 and 4,463.64 is: 6,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.44 : 12,924.90 = 4,463.64 : x
  2. Step 2: Convert to fraction form
    8,632.44/12,924.90 = 4,463.64/x
  3. Step 3: Cross multiply
    8,632.44x = 12,924.90 × 4,463.64
  4. Step 4: Simplify right side
    8,632.44x = 57,692,100.64
  5. Step 5: Solve for x
    x = 57,692,100.64/8,632.44
  6. Step 6: Final answer
    x = 6,683.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.