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Finding the Fourth Proportional to 3,827,313.72, 5,740,978.68 and 3,593,479.68

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Solution

The fourth proportional to 3,827,313.72, 5,740,978.68 and 3,593,479.68 is: 5,390,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827,313.72 : 5,740,978.68 = 3,593,479.68 : x
  2. Step 2: Convert to fraction form
    3,827,313.72/5,740,978.68 = 3,593,479.68/x
  3. Step 3: Cross multiply
    3,827,313.72x = 5,740,978.68 × 3,593,479.68
  4. Step 4: Simplify right side
    3,827,313.72x = 20,630,090,229,893.22
  5. Step 5: Solve for x
    x = 20,630,090,229,893.22/3,827,313.72
  6. Step 6: Final answer
    x = 5,390,227.13

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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.