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Finding the Fourth Proportional to 6,498,851.43, 8,968,695.15 and 3,598,242.21

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Solution

The fourth proportional to 6,498,851.43, 8,968,695.15 and 3,598,242.21 is: 4,965,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,851.43 : 8,968,695.15 = 3,598,242.21 : x
  2. Step 2: Convert to fraction form
    6,498,851.43/8,968,695.15 = 3,598,242.21/x
  3. Step 3: Cross multiply
    6,498,851.43x = 8,968,695.15 × 3,598,242.21
  4. Step 4: Simplify right side
    6,498,851.43x = 32,271,537,457,352.28
  5. Step 5: Solve for x
    x = 32,271,537,457,352.28/6,498,851.43
  6. Step 6: Final answer
    x = 4,965,729.38

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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.