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Finding the Fourth Proportional to 4,484.53, 6,724.80 and 1,885.63

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Solution

The fourth proportional to 4,484.53, 6,724.80 and 1,885.63 is: 2,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,484.53 : 6,724.80 = 1,885.63 : x
  2. Step 2: Convert to fraction form
    4,484.53/6,724.80 = 1,885.63/x
  3. Step 3: Cross multiply
    4,484.53x = 6,724.80 × 1,885.63
  4. Step 4: Simplify right side
    4,484.53x = 12,680,484.62
  5. Step 5: Solve for x
    x = 12,680,484.62/4,484.53
  6. Step 6: Final answer
    x = 2,827.61

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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.