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Finding the Fourth Proportional to 26,241,978.83, 39,360,310.58 and 7,074,673.43

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Solution

The fourth proportional to 26,241,978.83, 39,360,310.58 and 7,074,673.43 is: 10,611,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,241,978.83 : 39,360,310.58 = 7,074,673.43 : x
  2. Step 2: Convert to fraction form
    26,241,978.83/39,360,310.58 = 7,074,673.43/x
  3. Step 3: Cross multiply
    26,241,978.83x = 39,360,310.58 × 7,074,673.43
  4. Step 4: Simplify right side
    26,241,978.83x = 278,461,343,224,698.97
  5. Step 5: Solve for x
    x = 278,461,343,224,698.97/26,241,978.83
  6. Step 6: Final answer
    x = 10,611,293.65

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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.