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Finding the Fourth Proportional to 26,898.35, 40,347.16 and 12,096.81

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Solution

The fourth proportional to 26,898.35, 40,347.16 and 12,096.81 is: 18,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,898.35 : 40,347.16 = 12,096.81 : x
  2. Step 2: Convert to fraction form
    26,898.35/40,347.16 = 12,096.81/x
  3. Step 3: Cross multiply
    26,898.35x = 40,347.16 × 12,096.81
  4. Step 4: Simplify right side
    26,898.35x = 488,071,966.36
  5. Step 5: Solve for x
    x = 488,071,966.36/26,898.35
  6. Step 6: Final answer
    x = 18,145.06

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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.