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Finding the Fourth Proportional to 5,668,848.60, 8,503,272.90 and 3,149,424.60

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Solution

The fourth proportional to 5,668,848.60, 8,503,272.90 and 3,149,424.60 is: 4,724,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668,848.60 : 8,503,272.90 = 3,149,424.60 : x
  2. Step 2: Convert to fraction form
    5,668,848.60/8,503,272.90 = 3,149,424.60/x
  3. Step 3: Cross multiply
    5,668,848.60x = 8,503,272.90 × 3,149,424.60
  4. Step 4: Simplify right side
    5,668,848.60x = 26,780,416,851,773.34
  5. Step 5: Solve for x
    x = 26,780,416,851,773.34/5,668,848.60
  6. Step 6: Final answer
    x = 4,724,136.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.