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Finding the Fourth Proportional to 17,899,527.20, 26,863,287.60 and 8,316,093.20

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Solution

The fourth proportional to 17,899,527.20, 26,863,287.60 and 8,316,093.20 is: 12,480,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899,527.20 : 26,863,287.60 = 8,316,093.20 : x
  2. Step 2: Convert to fraction form
    17,899,527.20/26,863,287.60 = 8,316,093.20/x
  3. Step 3: Cross multiply
    17,899,527.20x = 26,863,287.60 × 8,316,093.20
  4. Step 4: Simplify right side
    17,899,527.20x = 223,397,603,340,004.34
  5. Step 5: Solve for x
    x = 223,397,603,340,004.34/17,899,527.20
  6. Step 6: Final answer
    x = 12,480,642.69

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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.