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Finding the Fourth Proportional to 5,797,643.08, 8,001,485.70 and 3,505,820.20

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Solution

The fourth proportional to 5,797,643.08, 8,001,485.70 and 3,505,820.20 is: 4,838,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797,643.08 : 8,001,485.70 = 3,505,820.20 : x
  2. Step 2: Convert to fraction form
    5,797,643.08/8,001,485.70 = 3,505,820.20/x
  3. Step 3: Cross multiply
    5,797,643.08x = 8,001,485.70 × 3,505,820.20
  4. Step 4: Simplify right side
    5,797,643.08x = 28,051,770,197,071.14
  5. Step 5: Solve for x
    x = 28,051,770,197,071.14/5,797,643.08
  6. Step 6: Final answer
    x = 4,838,478.29

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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.