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Finding the Fourth Proportional to 6,498,817.95, 8,968,648.99 and 3,598,208.74

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Solution

The fourth proportional to 6,498,817.95, 8,968,648.99 and 3,598,208.74 is: 4,965,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,817.95 : 8,968,648.99 = 3,598,208.74 : x
  2. Step 2: Convert to fraction form
    6,498,817.95/8,968,648.99 = 3,598,208.74/x
  3. Step 3: Cross multiply
    6,498,817.95x = 8,968,648.99 × 3,598,208.74
  4. Step 4: Simplify right side
    6,498,817.95x = 32,271,071,159,280.79
  5. Step 5: Solve for x
    x = 32,271,071,159,280.79/6,498,817.95
  6. Step 6: Final answer
    x = 4,965,683.21

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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.