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Finding the Fourth Proportional to 6,388,439.60, 9,582,659.40 and 5,750,710.40

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Solution

The fourth proportional to 6,388,439.60, 9,582,659.40 and 5,750,710.40 is: 8,626,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,439.60 : 9,582,659.40 = 5,750,710.40 : x
  2. Step 2: Convert to fraction form
    6,388,439.60/9,582,659.40 = 5,750,710.40/x
  3. Step 3: Cross multiply
    6,388,439.60x = 9,582,659.40 × 5,750,710.40
  4. Step 4: Simplify right side
    6,388,439.60x = 55,107,099,071,237.77
  5. Step 5: Solve for x
    x = 55,107,099,071,237.77/6,388,439.60
  6. Step 6: Final answer
    x = 8,626,065.60

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Similar ratio
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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.