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Finding the Fourth Proportional to 30,703.97, 46,055.97 and 10,981.35

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Solution

The fourth proportional to 30,703.97, 46,055.97 and 10,981.35 is: 16,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.97 : 46,055.97 = 10,981.35 : x
  2. Step 2: Convert to fraction form
    30,703.97/46,055.97 = 10,981.35/x
  3. Step 3: Cross multiply
    30,703.97x = 46,055.97 × 10,981.35
  4. Step 4: Simplify right side
    30,703.97x = 505,756,726.16
  5. Step 5: Solve for x
    x = 505,756,726.16/30,703.97
  6. Step 6: Final answer
    x = 16,472.03

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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.