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Finding the Fourth Proportional to 7,020,678, 10,531,017 and 1,701,894

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Solution

The fourth proportional to 7,020,678, 10,531,017 and 1,701,894 is: 2,552,841

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,678 : 10,531,017 = 1,701,894 : x
  2. Step 2: Convert to fraction form
    7,020,678/10,531,017 = 1,701,894/x
  3. Step 3: Cross multiply
    7,020,678x = 10,531,017 × 1,701,894
  4. Step 4: Simplify right side
    7,020,678x = 17,922,674,646,198
  5. Step 5: Solve for x
    x = 17,922,674,646,198/7,020,678
  6. Step 6: Final answer
    x = 2,552,841

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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.