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Finding the Fourth Proportional to 26,576,751.60, 39,865,127.40 and 26,324,809.20

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Solution

The fourth proportional to 26,576,751.60, 39,865,127.40 and 26,324,809.20 is: 39,487,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576,751.60 : 39,865,127.40 = 26,324,809.20 : x
  2. Step 2: Convert to fraction form
    26,576,751.60/39,865,127.40 = 26,324,809.20/x
  3. Step 3: Cross multiply
    26,576,751.60x = 39,865,127.40 × 26,324,809.20
  4. Step 4: Simplify right side
    26,576,751.60x = 1,049,441,872,538,692
  5. Step 5: Solve for x
    x = 1,049,441,872,538,692/26,576,751.60
  6. Step 6: Final answer
    x = 39,487,213.80

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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.