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Finding the Fourth Proportional to 10,848,460.80, 16,276,838.40 and 10,678,425.60

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Solution

The fourth proportional to 10,848,460.80, 16,276,838.40 and 10,678,425.60 is: 16,021,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,848,460.80 : 16,276,838.40 = 10,678,425.60 : x
  2. Step 2: Convert to fraction form
    10,848,460.80/16,276,838.40 = 10,678,425.60/x
  3. Step 3: Cross multiply
    10,848,460.80x = 16,276,838.40 × 10,678,425.60
  4. Step 4: Simplify right side
    10,848,460.80x = 173,811,007,857,623.03
  5. Step 5: Solve for x
    x = 173,811,007,857,623.03/10,848,460.80
  6. Step 6: Final answer
    x = 16,021,720.60

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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.