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Finding the Fourth Proportional to 14,373, 21,553.02 and 5,607.72

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Solution

The fourth proportional to 14,373, 21,553.02 and 5,607.72 is: 8,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373 : 21,553.02 = 5,607.72 : x
  2. Step 2: Convert to fraction form
    14,373/21,553.02 = 5,607.72/x
  3. Step 3: Cross multiply
    14,373x = 21,553.02 × 5,607.72
  4. Step 4: Simplify right side
    14,373x = 120,863,301.31
  5. Step 5: Solve for x
    x = 120,863,301.31/14,373
  6. Step 6: Final answer
    x = 8,409.05

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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.