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Finding the Fourth Proportional to 4,966.62, 7,443.21 and 1,886.94

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Solution

The fourth proportional to 4,966.62, 7,443.21 and 1,886.94 is: 2,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.62 : 7,443.21 = 1,886.94 : x
  2. Step 2: Convert to fraction form
    4,966.62/7,443.21 = 1,886.94/x
  3. Step 3: Cross multiply
    4,966.62x = 7,443.21 × 1,886.94
  4. Step 4: Simplify right side
    4,966.62x = 14,044,890.68
  5. Step 5: Solve for x
    x = 14,044,890.68/4,966.62
  6. Step 6: Final answer
    x = 2,827.86

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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.