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Finding the Fourth Proportional to 17,671,752.96, 26,507,957.49 and 5,540,945.10

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Solution

The fourth proportional to 17,671,752.96, 26,507,957.49 and 5,540,945.10 is: 8,311,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671,752.96 : 26,507,957.49 = 5,540,945.10 : x
  2. Step 2: Convert to fraction form
    17,671,752.96/26,507,957.49 = 5,540,945.10/x
  3. Step 3: Cross multiply
    17,671,752.96x = 26,507,957.49 × 5,540,945.10
  4. Step 4: Simplify right side
    17,671,752.96x = 146,879,137,165,223.78
  5. Step 5: Solve for x
    x = 146,879,137,165,223.78/17,671,752.96
  6. Step 6: Final answer
    x = 8,311,520.51

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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.