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Finding the Fourth Proportional to 6,015,732.72, 8,303,696.36 and 5,378,003.60

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Solution

The fourth proportional to 6,015,732.72, 8,303,696.36 and 5,378,003.60 is: 7,423,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,015,732.72 : 8,303,696.36 = 5,378,003.60 : x
  2. Step 2: Convert to fraction form
    6,015,732.72/8,303,696.36 = 5,378,003.60/x
  3. Step 3: Cross multiply
    6,015,732.72x = 8,303,696.36 × 5,378,003.60
  4. Step 4: Simplify right side
    6,015,732.72x = 44,657,308,917,386.90
  5. Step 5: Solve for x
    x = 44,657,308,917,386.90/6,015,732.72
  6. Step 6: Final answer
    x = 7,423,419.72

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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.