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Finding the Fourth Proportional to 26,884,053.20, 40,326,079.80 and 8,933,157.20

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Solution

The fourth proportional to 26,884,053.20, 40,326,079.80 and 8,933,157.20 is: 13,399,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,884,053.20 : 40,326,079.80 = 8,933,157.20 : x
  2. Step 2: Convert to fraction form
    26,884,053.20/40,326,079.80 = 8,933,157.20/x
  3. Step 3: Cross multiply
    26,884,053.20x = 40,326,079.80 × 8,933,157.20
  4. Step 4: Simplify right side
    26,884,053.20x = 360,239,210,113,144.50
  5. Step 5: Solve for x
    x = 360,239,210,113,144.50/26,884,053.20
  6. Step 6: Final answer
    x = 13,399,735.80

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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.