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Finding the Fourth Proportional to 35,876,672.80, 53,815,009.20 and 33,987,104.80

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Solution

The fourth proportional to 35,876,672.80, 53,815,009.20 and 33,987,104.80 is: 50,980,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,876,672.80 : 53,815,009.20 = 33,987,104.80 : x
  2. Step 2: Convert to fraction form
    35,876,672.80/53,815,009.20 = 33,987,104.80/x
  3. Step 3: Cross multiply
    35,876,672.80x = 53,815,009.20 × 33,987,104.80
  4. Step 4: Simplify right side
    35,876,672.80x = 1,829,016,357,493,364
  5. Step 5: Solve for x
    x = 1,829,016,357,493,364/35,876,672.80
  6. Step 6: Final answer
    x = 50,980,657.20

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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.