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Finding the Fourth Proportional to 7,335,473.20, 11,003,695.80 and 1,944,048.40

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Solution

The fourth proportional to 7,335,473.20, 11,003,695.80 and 1,944,048.40 is: 2,916,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335,473.20 : 11,003,695.80 = 1,944,048.40 : x
  2. Step 2: Convert to fraction form
    7,335,473.20/11,003,695.80 = 1,944,048.40/x
  3. Step 3: Cross multiply
    7,335,473.20x = 11,003,695.80 × 1,944,048.40
  4. Step 4: Simplify right side
    7,335,473.20x = 21,391,717,214,076.72
  5. Step 5: Solve for x
    x = 21,391,717,214,076.72/7,335,473.20
  6. Step 6: Final answer
    x = 2,916,201.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.