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Finding the Fourth Proportional to 5,669,841.05, 8,502,396.84 and 1,778,295.54

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Solution

The fourth proportional to 5,669,841.05, 8,502,396.84 and 1,778,295.54 is: 2,666,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669,841.05 : 8,502,396.84 = 1,778,295.54 : x
  2. Step 2: Convert to fraction form
    5,669,841.05/8,502,396.84 = 1,778,295.54/x
  3. Step 3: Cross multiply
    5,669,841.05x = 8,502,396.84 × 1,778,295.54
  4. Step 4: Simplify right side
    5,669,841.05x = 15,119,774,379,882.09
  5. Step 5: Solve for x
    x = 15,119,774,379,882.09/5,669,841.05
  6. Step 6: Final answer
    x = 2,666,701.63

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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.