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Finding the Fourth Proportional to 7,963,955.03, 10,983,476.91 and 6,729,597.20

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Solution

The fourth proportional to 7,963,955.03, 10,983,476.91 and 6,729,597.20 is: 9,281,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963,955.03 : 10,983,476.91 = 6,729,597.20 : x
  2. Step 2: Convert to fraction form
    7,963,955.03/10,983,476.91 = 6,729,597.20/x
  3. Step 3: Cross multiply
    7,963,955.03x = 10,983,476.91 × 6,729,597.20
  4. Step 4: Simplify right side
    7,963,955.03x = 73,914,375,393,928.94
  5. Step 5: Solve for x
    x = 73,914,375,393,928.94/7,963,955.03
  6. Step 6: Final answer
    x = 9,281,114.11

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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.