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Finding the Fourth Proportional to 17,442,074.40, 26,115,872.40 and 13,662,938.40

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Solution

The fourth proportional to 17,442,074.40, 26,115,872.40 and 13,662,938.40 is: 20,457,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442,074.40 : 26,115,872.40 = 13,662,938.40 : x
  2. Step 2: Convert to fraction form
    17,442,074.40/26,115,872.40 = 13,662,938.40/x
  3. Step 3: Cross multiply
    17,442,074.40x = 26,115,872.40 × 13,662,938.40
  4. Step 4: Simplify right side
    17,442,074.40x = 356,819,555,863,460.12
  5. Step 5: Solve for x
    x = 356,819,555,863,460.12/17,442,074.40
  6. Step 6: Final answer
    x = 20,457,403.61

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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.