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Finding the Fourth Proportional to 11,759,649, 17,639,473.50 and 3,781,473

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Solution

The fourth proportional to 11,759,649, 17,639,473.50 and 3,781,473 is: 5,672,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759,649 : 17,639,473.50 = 3,781,473 : x
  2. Step 2: Convert to fraction form
    11,759,649/17,639,473.50 = 3,781,473/x
  3. Step 3: Cross multiply
    11,759,649x = 17,639,473.50 × 3,781,473
  4. Step 4: Simplify right side
    11,759,649x = 66,703,192,774,465.50
  5. Step 5: Solve for x
    x = 66,703,192,774,465.50/11,759,649
  6. Step 6: Final answer
    x = 5,672,209.50

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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.