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Finding the Fourth Proportional to 7,102,713.03, 9,795,207.25 and 4,654,434.88

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Solution

The fourth proportional to 7,102,713.03, 9,795,207.25 and 4,654,434.88 is: 6,418,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,713.03 : 9,795,207.25 = 4,654,434.88 : x
  2. Step 2: Convert to fraction form
    7,102,713.03/9,795,207.25 = 4,654,434.88/x
  3. Step 3: Cross multiply
    7,102,713.03x = 9,795,207.25 × 4,654,434.88
  4. Step 4: Simplify right side
    7,102,713.03x = 45,591,154,208,980.66
  5. Step 5: Solve for x
    x = 45,591,154,208,980.66/7,102,713.03
  6. Step 6: Final answer
    x = 6,418,836.58

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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.