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Finding the Fourth Proportional to 14,025, 21,038.04 and 4,791

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Solution

The fourth proportional to 14,025, 21,038.04 and 4,791 is: 7,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025 : 21,038.04 = 4,791 : x
  2. Step 2: Convert to fraction form
    14,025/21,038.04 = 4,791/x
  3. Step 3: Cross multiply
    14,025x = 21,038.04 × 4,791
  4. Step 4: Simplify right side
    14,025x = 100,793,249.64
  5. Step 5: Solve for x
    x = 100,793,249.64/14,025
  6. Step 6: Final answer
    x = 7,186.68

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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.