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Finding the Fourth Proportional to 14,573, 21,863.20 and 4,184.76

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Solution

The fourth proportional to 14,573, 21,863.20 and 4,184.76 is: 6,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573 : 21,863.20 = 4,184.76 : x
  2. Step 2: Convert to fraction form
    14,573/21,863.20 = 4,184.76/x
  3. Step 3: Cross multiply
    14,573x = 21,863.20 × 4,184.76
  4. Step 4: Simplify right side
    14,573x = 91,492,244.83
  5. Step 5: Solve for x
    x = 91,492,244.83/14,573
  6. Step 6: Final answer
    x = 6,278.20

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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.