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Finding the Fourth Proportional to 37,015, 51,080.70 and 20,248.36

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Solution

The fourth proportional to 37,015, 51,080.70 and 20,248.36 is: 27,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,015 : 51,080.70 = 20,248.36 : x
  2. Step 2: Convert to fraction form
    37,015/51,080.70 = 20,248.36/x
  3. Step 3: Cross multiply
    37,015x = 51,080.70 × 20,248.36
  4. Step 4: Simplify right side
    37,015x = 1,034,300,402.65
  5. Step 5: Solve for x
    x = 1,034,300,402.65/37,015
  6. Step 6: Final answer
    x = 27,942.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.