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Finding the Fourth Proportional to 14,499.16, 21,753.92 and 8,946.04

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Solution

The fourth proportional to 14,499.16, 21,753.92 and 8,946.04 is: 13,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.16 : 21,753.92 = 8,946.04 : x
  2. Step 2: Convert to fraction form
    14,499.16/21,753.92 = 8,946.04/x
  3. Step 3: Cross multiply
    14,499.16x = 21,753.92 × 8,946.04
  4. Step 4: Simplify right side
    14,499.16x = 194,611,438.48
  5. Step 5: Solve for x
    x = 194,611,438.48/14,499.16
  6. Step 6: Final answer
    x = 13,422.26

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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.