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Finding the Fourth Proportional to 6,254,668.86, 9,382,703.12 and 1,993,848.54

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Solution

The fourth proportional to 6,254,668.86, 9,382,703.12 and 1,993,848.54 is: 2,990,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254,668.86 : 9,382,703.12 = 1,993,848.54 : x
  2. Step 2: Convert to fraction form
    6,254,668.86/9,382,703.12 = 1,993,848.54/x
  3. Step 3: Cross multiply
    6,254,668.86x = 9,382,703.12 × 1,993,848.54
  4. Step 4: Simplify right side
    6,254,668.86x = 18,707,688,917,065.45
  5. Step 5: Solve for x
    x = 18,707,688,917,065.45/6,254,668.86
  6. Step 6: Final answer
    x = 2,990,995.90

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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.