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Finding the Fourth Proportional to 17,381,921.80, 24,385,079 and 17,381,921.80

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Solution

The fourth proportional to 17,381,921.80, 24,385,079 and 17,381,921.80 is: 24,385,079

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381,921.80 : 24,385,079 = 17,381,921.80 : x
  2. Step 2: Convert to fraction form
    17,381,921.80/24,385,079 = 17,381,921.80/x
  3. Step 3: Cross multiply
    17,381,921.80x = 24,385,079 × 17,381,921.80
  4. Step 4: Simplify right side
    17,381,921.80x = 423,859,536,264,822.19
  5. Step 5: Solve for x
    x = 423,859,536,264,822.19/17,381,921.80
  6. Step 6: Final answer
    x = 24,385,079

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.