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Finding the Fourth Proportional to 5,676,773.88, 7,833,955.50 and 3,639,583.32

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Solution

The fourth proportional to 5,676,773.88, 7,833,955.50 and 3,639,583.32 is: 5,022,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676,773.88 : 7,833,955.50 = 3,639,583.32 : x
  2. Step 2: Convert to fraction form
    5,676,773.88/7,833,955.50 = 3,639,583.32/x
  3. Step 3: Cross multiply
    5,676,773.88x = 7,833,955.50 × 3,639,583.32
  4. Step 4: Simplify right side
    5,676,773.88x = 28,512,333,767,422.26
  5. Step 5: Solve for x
    x = 28,512,333,767,422.26/5,676,773.88
  6. Step 6: Final answer
    x = 5,022,629.82

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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.