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Finding the Fourth Proportional to 6,396,842.54, 8,827,402.74 and 3,496,209.86

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Solution

The fourth proportional to 6,396,842.54, 8,827,402.74 and 3,496,209.86 is: 4,824,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396,842.54 : 8,827,402.74 = 3,496,209.86 : x
  2. Step 2: Convert to fraction form
    6,396,842.54/8,827,402.74 = 3,496,209.86/x
  3. Step 3: Cross multiply
    6,396,842.54x = 8,827,402.74 × 3,496,209.86
  4. Step 4: Simplify right side
    6,396,842.54x = 30,862,452,497,779.02
  5. Step 5: Solve for x
    x = 30,862,452,497,779.02/6,396,842.54
  6. Step 6: Final answer
    x = 4,824,638.45

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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.