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Finding the Fourth Proportional to 6,483,418.71, 8,946,209.13 and 3,729,059.07

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Solution

The fourth proportional to 6,483,418.71, 8,946,209.13 and 3,729,059.07 is: 5,145,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483,418.71 : 8,946,209.13 = 3,729,059.07 : x
  2. Step 2: Convert to fraction form
    6,483,418.71/8,946,209.13 = 3,729,059.07/x
  3. Step 3: Cross multiply
    6,483,418.71x = 8,946,209.13 × 3,729,059.07
  4. Step 4: Simplify right side
    6,483,418.71x = 33,360,942,298,343.31
  5. Step 5: Solve for x
    x = 33,360,942,298,343.31/6,483,418.71
  6. Step 6: Final answer
    x = 5,145,578.87

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1.5x scale

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.