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Finding the Fourth Proportional to 14,328, 21,492.48 and 4,467.20

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Solution

The fourth proportional to 14,328, 21,492.48 and 4,467.20 is: 6,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328 : 21,492.48 = 4,467.20 : x
  2. Step 2: Convert to fraction form
    14,328/21,492.48 = 4,467.20/x
  3. Step 3: Cross multiply
    14,328x = 21,492.48 × 4,467.20
  4. Step 4: Simplify right side
    14,328x = 96,011,206.66
  5. Step 5: Solve for x
    x = 96,011,206.66/14,328
  6. Step 6: Final answer
    x = 6,700.95

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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.