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Finding the Fourth Proportional to 15,842,630.88, 23,763,946.98 and 8,650,241.58

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Solution

The fourth proportional to 15,842,630.88, 23,763,946.98 and 8,650,241.58 is: 12,975,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842,630.88 : 23,763,946.98 = 8,650,241.58 : x
  2. Step 2: Convert to fraction form
    15,842,630.88/23,763,946.98 = 8,650,241.58/x
  3. Step 3: Cross multiply
    15,842,630.88x = 23,763,946.98 × 8,650,241.58
  4. Step 4: Simplify right side
    15,842,630.88x = 205,563,882,271,311.44
  5. Step 5: Solve for x
    x = 205,563,882,271,311.44/15,842,630.88
  6. Step 6: Final answer
    x = 12,975,362.73

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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.