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Finding the Fourth Proportional to 8,673,894.60, 13,010,841.90 and 4,194,918.60

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Solution

The fourth proportional to 8,673,894.60, 13,010,841.90 and 4,194,918.60 is: 6,292,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673,894.60 : 13,010,841.90 = 4,194,918.60 : x
  2. Step 2: Convert to fraction form
    8,673,894.60/13,010,841.90 = 4,194,918.60/x
  3. Step 3: Cross multiply
    8,673,894.60x = 13,010,841.90 × 4,194,918.60
  4. Step 4: Simplify right side
    8,673,894.60x = 54,579,422,687,969.34
  5. Step 5: Solve for x
    x = 54,579,422,687,969.34/8,673,894.60
  6. Step 6: Final answer
    x = 6,292,377.90

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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.