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Finding the Fourth Proportional to 5,281,396.04, 7,288,363.86 and 2,866,948.04

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Solution

The fourth proportional to 5,281,396.04, 7,288,363.86 and 2,866,948.04 is: 3,956,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,396.04 : 7,288,363.86 = 2,866,948.04 : x
  2. Step 2: Convert to fraction form
    5,281,396.04/7,288,363.86 = 2,866,948.04/x
  3. Step 3: Cross multiply
    5,281,396.04x = 7,288,363.86 × 2,866,948.04
  4. Step 4: Simplify right side
    5,281,396.04x = 20,895,360,483,233.84
  5. Step 5: Solve for x
    x = 20,895,360,483,233.84/5,281,396.04
  6. Step 6: Final answer
    x = 3,956,408.56

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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.