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Finding the Fourth Proportional to 36,602,312.80, 54,887,722.80 and 18,399,474.40

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Solution

The fourth proportional to 36,602,312.80, 54,887,722.80 and 18,399,474.40 is: 27,591,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602,312.80 : 54,887,722.80 = 18,399,474.40 : x
  2. Step 2: Convert to fraction form
    36,602,312.80/54,887,722.80 = 18,399,474.40/x
  3. Step 3: Cross multiply
    36,602,312.80x = 54,887,722.80 × 18,399,474.40
  4. Step 4: Simplify right side
    36,602,312.80x = 1,009,905,250,532,896.12
  5. Step 5: Solve for x
    x = 1,009,905,250,532,896.12/36,602,312.80
  6. Step 6: Final answer
    x = 27,591,296.10

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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.