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Finding the Fourth Proportional to 3,893,550.03, 5,843,988.95 and 1,975,838.07

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Solution

The fourth proportional to 3,893,550.03, 5,843,988.95 and 1,975,838.07 is: 2,965,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,550.03 : 5,843,988.95 = 1,975,838.07 : x
  2. Step 2: Convert to fraction form
    3,893,550.03/5,843,988.95 = 1,975,838.07/x
  3. Step 3: Cross multiply
    3,893,550.03x = 5,843,988.95 × 1,975,838.07
  4. Step 4: Simplify right side
    3,893,550.03x = 11,546,775,838,190.14
  5. Step 5: Solve for x
    x = 11,546,775,838,190.14/3,893,550.03
  6. Step 6: Final answer
    x = 2,965,616.40

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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.