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Finding the Fourth Proportional to 6,662,765.60, 9,194,606.16 and 3,606,979.04

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Solution

The fourth proportional to 6,662,765.60, 9,194,606.16 and 3,606,979.04 is: 4,977,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662,765.60 : 9,194,606.16 = 3,606,979.04 : x
  2. Step 2: Convert to fraction form
    6,662,765.60/9,194,606.16 = 3,606,979.04/x
  3. Step 3: Cross multiply
    6,662,765.60x = 9,194,606.16 × 3,606,979.04
  4. Step 4: Simplify right side
    6,662,765.60x = 33,164,751,700,174.89
  5. Step 5: Solve for x
    x = 33,164,751,700,174.89/6,662,765.60
  6. Step 6: Final answer
    x = 4,977,625.46

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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.