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Finding the Fourth Proportional to 11,652,378, 17,478,567 and 3,674,202

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Solution

The fourth proportional to 11,652,378, 17,478,567 and 3,674,202 is: 5,511,303

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652,378 : 17,478,567 = 3,674,202 : x
  2. Step 2: Convert to fraction form
    11,652,378/17,478,567 = 3,674,202/x
  3. Step 3: Cross multiply
    11,652,378x = 17,478,567 × 3,674,202
  4. Step 4: Simplify right side
    11,652,378x = 64,219,785,828,534
  5. Step 5: Solve for x
    x = 64,219,785,828,534/11,652,378
  6. Step 6: Final answer
    x = 5,511,303

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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.