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Finding the Fourth Proportional to 23,685,781.80, 35,528,672.70 and 23,366,917.20

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Solution

The fourth proportional to 23,685,781.80, 35,528,672.70 and 23,366,917.20 is: 35,050,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685,781.80 : 35,528,672.70 = 23,366,917.20 : x
  2. Step 2: Convert to fraction form
    23,685,781.80/35,528,672.70 = 23,366,917.20/x
  3. Step 3: Cross multiply
    23,685,781.80x = 35,528,672.70 × 23,366,917.20
  4. Step 4: Simplify right side
    23,685,781.80x = 830,195,553,206,800.50
  5. Step 5: Solve for x
    x = 830,195,553,206,800.50/23,685,781.80
  6. Step 6: Final answer
    x = 35,050,375.80

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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.