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Finding the Fourth Proportional to 36,742.40, 54,998.40 and 26,374.40

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Solution

The fourth proportional to 36,742.40, 54,998.40 and 26,374.40 is: 39,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,742.40 : 54,998.40 = 26,374.40 : x
  2. Step 2: Convert to fraction form
    36,742.40/54,998.40 = 26,374.40/x
  3. Step 3: Cross multiply
    36,742.40x = 54,998.40 × 26,374.40
  4. Step 4: Simplify right side
    36,742.40x = 1,450,549,800.96
  5. Step 5: Solve for x
    x = 1,450,549,800.96/36,742.40
  6. Step 6: Final answer
    x = 39,478.91

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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.