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Finding the Fourth Proportional to 17,879,078.88, 24,675,728.76 and 10,039,471.20

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Solution

The fourth proportional to 17,879,078.88, 24,675,728.76 and 10,039,471.20 is: 13,855,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879,078.88 : 24,675,728.76 = 10,039,471.20 : x
  2. Step 2: Convert to fraction form
    17,879,078.88/24,675,728.76 = 10,039,471.20/x
  3. Step 3: Cross multiply
    17,879,078.88x = 24,675,728.76 × 10,039,471.20
  4. Step 4: Simplify right side
    17,879,078.88x = 247,731,268,225,031.72
  5. Step 5: Solve for x
    x = 247,731,268,225,031.72/17,879,078.88
  6. Step 6: Final answer
    x = 13,855,930.16

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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.