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Finding the Fourth Proportional to 19,848,807.60, 29,776,710.60 and 7,076,727.60

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Solution

The fourth proportional to 19,848,807.60, 29,776,710.60 and 7,076,727.60 is: 10,616,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848,807.60 : 29,776,710.60 = 7,076,727.60 : x
  2. Step 2: Convert to fraction form
    19,848,807.60/29,776,710.60 = 7,076,727.60/x
  3. Step 3: Cross multiply
    19,848,807.60x = 29,776,710.60 × 7,076,727.60
  4. Step 4: Simplify right side
    19,848,807.60x = 210,721,669,740,232.56
  5. Step 5: Solve for x
    x = 210,721,669,740,232.56/19,848,807.60
  6. Step 6: Final answer
    x = 10,616,338.98

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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.