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Finding the Fourth Proportional to 6,589,569.60, 9,873,856.80 and 4,888,958.40

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Solution

The fourth proportional to 6,589,569.60, 9,873,856.80 and 4,888,958.40 is: 7,325,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589,569.60 : 9,873,856.80 = 4,888,958.40 : x
  2. Step 2: Convert to fraction form
    6,589,569.60/9,873,856.80 = 4,888,958.40/x
  3. Step 3: Cross multiply
    6,589,569.60x = 9,873,856.80 × 4,888,958.40
  4. Step 4: Simplify right side
    6,589,569.60x = 48,272,875,142,757.12
  5. Step 5: Solve for x
    x = 48,272,875,142,757.12/6,589,569.60
  6. Step 6: Final answer
    x = 7,325,649.18

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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.