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Finding the Fourth Proportional to 4,671,531.63, 7,003,016.37 and 1,637,243.46

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Solution

The fourth proportional to 4,671,531.63, 7,003,016.37 and 1,637,243.46 is: 2,454,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671,531.63 : 7,003,016.37 = 1,637,243.46 : x
  2. Step 2: Convert to fraction form
    4,671,531.63/7,003,016.37 = 1,637,243.46/x
  3. Step 3: Cross multiply
    4,671,531.63x = 7,003,016.37 × 1,637,243.46
  4. Step 4: Simplify right side
    4,671,531.63x = 11,465,642,752,055.44
  5. Step 5: Solve for x
    x = 11,465,642,752,055.44/4,671,531.63
  6. Step 6: Final answer
    x = 2,454,364.79

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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.