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Finding the Fourth Proportional to 6,463.84, 8,923.08 and 4,225.80

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Solution

The fourth proportional to 6,463.84, 8,923.08 and 4,225.80 is: 5,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.84 : 8,923.08 = 4,225.80 : x
  2. Step 2: Convert to fraction form
    6,463.84/8,923.08 = 4,225.80/x
  3. Step 3: Cross multiply
    6,463.84x = 8,923.08 × 4,225.80
  4. Step 4: Simplify right side
    6,463.84x = 37,707,151.46
  5. Step 5: Solve for x
    x = 37,707,151.46/6,463.84
  6. Step 6: Final answer
    x = 5,833.55

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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.