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Finding the Fourth Proportional to 33,897.60, 50,846.40 and 19,900.80

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Solution

The fourth proportional to 33,897.60, 50,846.40 and 19,900.80 is: 29,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,897.60 : 50,846.40 = 19,900.80 : x
  2. Step 2: Convert to fraction form
    33,897.60/50,846.40 = 19,900.80/x
  3. Step 3: Cross multiply
    33,897.60x = 50,846.40 × 19,900.80
  4. Step 4: Simplify right side
    33,897.60x = 1,011,884,037.12
  5. Step 5: Solve for x
    x = 1,011,884,037.12/33,897.60
  6. Step 6: Final answer
    x = 29,851.20

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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.