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Finding the Fourth Proportional to 8,463,795.03, 11,683,612.89 and 5,714,207.10

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Solution

The fourth proportional to 8,463,795.03, 11,683,612.89 and 5,714,207.10 is: 7,888,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463,795.03 : 11,683,612.89 = 5,714,207.10 : x
  2. Step 2: Convert to fraction form
    8,463,795.03/11,683,612.89 = 5,714,207.10/x
  3. Step 3: Cross multiply
    8,463,795.03x = 11,683,612.89 × 5,714,207.10
  4. Step 4: Simplify right side
    8,463,795.03x = 66,762,583,729,689.52
  5. Step 5: Solve for x
    x = 66,762,583,729,689.52/8,463,795.03
  6. Step 6: Final answer
    x = 7,888,019.91

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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.