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Finding the Fourth Proportional to 36,851.40, 55,285.02 and 11,892.90

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Solution

The fourth proportional to 36,851.40, 55,285.02 and 11,892.90 is: 17,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.40 : 55,285.02 = 11,892.90 : x
  2. Step 2: Convert to fraction form
    36,851.40/55,285.02 = 11,892.90/x
  3. Step 3: Cross multiply
    36,851.40x = 55,285.02 × 11,892.90
  4. Step 4: Simplify right side
    36,851.40x = 657,499,214.36
  5. Step 5: Solve for x
    x = 657,499,214.36/36,851.40
  6. Step 6: Final answer
    x = 17,841.91

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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.