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Finding the Fourth Proportional to 14,874.64, 22,300.14 and 7,372.93

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Solution

The fourth proportional to 14,874.64, 22,300.14 and 7,372.93 is: 11,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.64 : 22,300.14 = 7,372.93 : x
  2. Step 2: Convert to fraction form
    14,874.64/22,300.14 = 7,372.93/x
  3. Step 3: Cross multiply
    14,874.64x = 22,300.14 × 7,372.93
  4. Step 4: Simplify right side
    14,874.64x = 164,417,371.21
  5. Step 5: Solve for x
    x = 164,417,371.21/14,874.64
  6. Step 6: Final answer
    x = 11,053.54

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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.