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Finding the Fourth Proportional to 8,673,802.80, 13,010,704.20 and 4,642,724.40

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Solution

The fourth proportional to 8,673,802.80, 13,010,704.20 and 4,642,724.40 is: 6,964,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673,802.80 : 13,010,704.20 = 4,642,724.40 : x
  2. Step 2: Convert to fraction form
    8,673,802.80/13,010,704.20 = 4,642,724.40/x
  3. Step 3: Cross multiply
    8,673,802.80x = 13,010,704.20 × 4,642,724.40
  4. Step 4: Simplify right side
    8,673,802.80x = 60,405,113,850,522.48
  5. Step 5: Solve for x
    x = 60,405,113,850,522.48/8,673,802.80
  6. Step 6: Final answer
    x = 6,964,086.60

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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.