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Finding the Fourth Proportional to 26,571,172.80, 39,785,900.40 and 26,571,172.80

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Solution

The fourth proportional to 26,571,172.80, 39,785,900.40 and 26,571,172.80 is: 39,785,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571,172.80 : 39,785,900.40 = 26,571,172.80 : x
  2. Step 2: Convert to fraction form
    26,571,172.80/39,785,900.40 = 26,571,172.80/x
  3. Step 3: Cross multiply
    26,571,172.80x = 39,785,900.40 × 26,571,172.80
  4. Step 4: Simplify right side
    26,571,172.80x = 1,057,158,034,531,989.12
  5. Step 5: Solve for x
    x = 1,057,158,034,531,989.12/26,571,172.80
  6. Step 6: Final answer
    x = 39,785,900.40

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1.5x scale

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.