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Finding the Fourth Proportional to 37,999.80, 56,999.70 and 35,375.40

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Solution

The fourth proportional to 37,999.80, 56,999.70 and 35,375.40 is: 53,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,999.80 : 56,999.70 = 35,375.40 : x
  2. Step 2: Convert to fraction form
    37,999.80/56,999.70 = 35,375.40/x
  3. Step 3: Cross multiply
    37,999.80x = 56,999.70 × 35,375.40
  4. Step 4: Simplify right side
    37,999.80x = 2,016,387,187.38
  5. Step 5: Solve for x
    x = 2,016,387,187.38/37,999.80
  6. Step 6: Final answer
    x = 53,063.10

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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.