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Finding the Fourth Proportional to 6,409,755.23, 8,845,464.22 and 3,509,330.32

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Solution

The fourth proportional to 6,409,755.23, 8,845,464.22 and 3,509,330.32 is: 4,842,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,755.23 : 8,845,464.22 = 3,509,330.32 : x
  2. Step 2: Convert to fraction form
    6,409,755.23/8,845,464.22 = 3,509,330.32/x
  3. Step 3: Cross multiply
    6,409,755.23x = 8,845,464.22 × 3,509,330.32
  4. Step 4: Simplify right side
    6,409,755.23x = 31,041,655,781,721.15
  5. Step 5: Solve for x
    x = 31,041,655,781,721.15/6,409,755.23
  6. Step 6: Final answer
    x = 4,842,876.94

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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.