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Finding the Fourth Proportional to 4,883,531.82, 7,326,347.62 and 1,645,391.26

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Solution

The fourth proportional to 4,883,531.82, 7,326,347.62 and 1,645,391.26 is: 2,468,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883,531.82 : 7,326,347.62 = 1,645,391.26 : x
  2. Step 2: Convert to fraction form
    4,883,531.82/7,326,347.62 = 1,645,391.26/x
  3. Step 3: Cross multiply
    4,883,531.82x = 7,326,347.62 × 1,645,391.26
  4. Step 4: Simplify right side
    4,883,531.82x = 12,054,708,341,669.80
  5. Step 5: Solve for x
    x = 12,054,708,341,669.80/4,883,531.82
  6. Step 6: Final answer
    x = 2,468,440.63

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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.