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Finding the Fourth Proportional to 6,504,486.84, 8,975,889.45 and 3,564,286.47

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Solution

The fourth proportional to 6,504,486.84, 8,975,889.45 and 3,564,286.47 is: 4,918,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504,486.84 : 8,975,889.45 = 3,564,286.47 : x
  2. Step 2: Convert to fraction form
    6,504,486.84/8,975,889.45 = 3,564,286.47/x
  3. Step 3: Cross multiply
    6,504,486.84x = 8,975,889.45 × 3,564,286.47
  4. Step 4: Simplify right side
    6,504,486.84x = 31,992,641,322,850.74
  5. Step 5: Solve for x
    x = 31,992,641,322,850.74/6,504,486.84
  6. Step 6: Final answer
    x = 4,918,549.63

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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.