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Finding the Fourth Proportional to 63,495, 87,623.71 and 35,201.30

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Solution

The fourth proportional to 63,495, 87,623.71 and 35,201.30 is: 48,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,495 : 87,623.71 = 35,201.30 : x
  2. Step 2: Convert to fraction form
    63,495/87,623.71 = 35,201.30/x
  3. Step 3: Cross multiply
    63,495x = 87,623.71 × 35,201.30
  4. Step 4: Simplify right side
    63,495x = 3,084,467,976.70
  5. Step 5: Solve for x
    x = 3,084,467,976.70/63,495
  6. Step 6: Final answer
    x = 48,578.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.