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Finding the Fourth Proportional to 36,684,857.60, 55,049,059.20 and 13,968,051.20

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Solution

The fourth proportional to 36,684,857.60, 55,049,059.20 and 13,968,051.20 is: 20,960,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,684,857.60 : 55,049,059.20 = 13,968,051.20 : x
  2. Step 2: Convert to fraction form
    36,684,857.60/55,049,059.20 = 13,968,051.20/x
  3. Step 3: Cross multiply
    36,684,857.60x = 55,049,059.20 × 13,968,051.20
  4. Step 4: Simplify right side
    36,684,857.60x = 768,928,077,417,431
  5. Step 5: Solve for x
    x = 768,928,077,417,431/36,684,857.60
  6. Step 6: Final answer
    x = 20,960,366.97

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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.