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Finding the Fourth Proportional to 11,865,628.32, 17,798,471.64 and 3,346,009.44

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Solution

The fourth proportional to 11,865,628.32, 17,798,471.64 and 3,346,009.44 is: 5,019,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865,628.32 : 17,798,471.64 = 3,346,009.44 : x
  2. Step 2: Convert to fraction form
    11,865,628.32/17,798,471.64 = 3,346,009.44/x
  3. Step 3: Cross multiply
    11,865,628.32x = 17,798,471.64 × 3,346,009.44
  4. Step 4: Simplify right side
    11,865,628.32x = 59,553,854,125,012.28
  5. Step 5: Solve for x
    x = 59,553,854,125,012.28/11,865,628.32
  6. Step 6: Final answer
    x = 5,019,022.38

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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.