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Finding the Fourth Proportional to 3,835,605.06, 5,293,124.12 and 2,116,713.29

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Solution

The fourth proportional to 3,835,605.06, 5,293,124.12 and 2,116,713.29 is: 2,921,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835,605.06 : 5,293,124.12 = 2,116,713.29 : x
  2. Step 2: Convert to fraction form
    3,835,605.06/5,293,124.12 = 2,116,713.29/x
  3. Step 3: Cross multiply
    3,835,605.06x = 5,293,124.12 × 2,116,713.29
  4. Step 4: Simplify right side
    3,835,605.06x = 11,204,026,133,374.37
  5. Step 5: Solve for x
    x = 11,204,026,133,374.37/3,835,605.06
  6. Step 6: Final answer
    x = 2,921,058.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.