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Finding the Fourth Proportional to 14,892.35, 20,549.93 and 8,923.87

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Solution

The fourth proportional to 14,892.35, 20,549.93 and 8,923.87 is: 12,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.35 : 20,549.93 = 8,923.87 : x
  2. Step 2: Convert to fraction form
    14,892.35/20,549.93 = 8,923.87/x
  3. Step 3: Cross multiply
    14,892.35x = 20,549.93 × 8,923.87
  4. Step 4: Simplify right side
    14,892.35x = 183,384,903.83
  5. Step 5: Solve for x
    x = 183,384,903.83/14,892.35
  6. Step 6: Final answer
    x = 12,314.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.