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Finding the Fourth Proportional to 6,236,887.50, 8,606,905.29 and 3,375,319.50

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Solution

The fourth proportional to 6,236,887.50, 8,606,905.29 and 3,375,319.50 is: 4,657,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236,887.50 : 8,606,905.29 = 3,375,319.50 : x
  2. Step 2: Convert to fraction form
    6,236,887.50/8,606,905.29 = 3,375,319.50/x
  3. Step 3: Cross multiply
    6,236,887.50x = 8,606,905.29 × 3,375,319.50
  4. Step 4: Simplify right side
    6,236,887.50x = 29,051,055,259,990.15
  5. Step 5: Solve for x
    x = 29,051,055,259,990.15/6,236,887.50
  6. Step 6: Final answer
    x = 4,657,941.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.