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Finding the Fourth Proportional to 18,095.63, 24,972.03 and 11,808

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Solution

The fourth proportional to 18,095.63, 24,972.03 and 11,808 is: 16,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.63 : 24,972.03 = 11,808 : x
  2. Step 2: Convert to fraction form
    18,095.63/24,972.03 = 11,808/x
  3. Step 3: Cross multiply
    18,095.63x = 24,972.03 × 11,808
  4. Step 4: Simplify right side
    18,095.63x = 294,869,730.24
  5. Step 5: Solve for x
    x = 294,869,730.24/18,095.63
  6. Step 6: Final answer
    x = 16,295.08

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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.