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Finding the Fourth Proportional to 31,796,669.80, 47,695,004.70 and 29,458,329.40

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Solution

The fourth proportional to 31,796,669.80, 47,695,004.70 and 29,458,329.40 is: 44,187,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796,669.80 : 47,695,004.70 = 29,458,329.40 : x
  2. Step 2: Convert to fraction form
    31,796,669.80/47,695,004.70 = 29,458,329.40/x
  3. Step 3: Cross multiply
    31,796,669.80x = 47,695,004.70 × 29,458,329.40
  4. Step 4: Simplify right side
    31,796,669.80x = 1,405,015,159,187,148.25
  5. Step 5: Solve for x
    x = 1,405,015,159,187,148.25/31,796,669.80
  6. Step 6: Final answer
    x = 44,187,494.10

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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.