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Finding the Fourth Proportional to 6,224,719.88, 8,590,179.05 and 3,508,465.88

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Solution

The fourth proportional to 6,224,719.88, 8,590,179.05 and 3,508,465.88 is: 4,841,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,224,719.88 : 8,590,179.05 = 3,508,465.88 : x
  2. Step 2: Convert to fraction form
    6,224,719.88/8,590,179.05 = 3,508,465.88/x
  3. Step 3: Cross multiply
    6,224,719.88x = 8,590,179.05 × 3,508,465.88
  4. Step 4: Simplify right side
    6,224,719.88x = 30,138,350,039,522.59
  5. Step 5: Solve for x
    x = 30,138,350,039,522.59/6,224,719.88
  6. Step 6: Final answer
    x = 4,841,719.89

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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.