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Finding the Fourth Proportional to 4,885,354.62, 6,742,098.18 and 2,820,751.43

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Solution

The fourth proportional to 4,885,354.62, 6,742,098.18 and 2,820,751.43 is: 3,892,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,354.62 : 6,742,098.18 = 2,820,751.43 : x
  2. Step 2: Convert to fraction form
    4,885,354.62/6,742,098.18 = 2,820,751.43/x
  3. Step 3: Cross multiply
    4,885,354.62x = 6,742,098.18 × 2,820,751.43
  4. Step 4: Simplify right side
    4,885,354.62x = 19,017,783,048,724.91
  5. Step 5: Solve for x
    x = 19,017,783,048,724.91/4,885,354.62
  6. Step 6: Final answer
    x = 3,892,815.27

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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.