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Finding the Fourth Proportional to 37,999.45, 57,019.70 and 15,828.13

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Solution

The fourth proportional to 37,999.45, 57,019.70 and 15,828.13 is: 23,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,999.45 : 57,019.70 = 15,828.13 : x
  2. Step 2: Convert to fraction form
    37,999.45/57,019.70 = 15,828.13/x
  3. Step 3: Cross multiply
    37,999.45x = 57,019.70 × 15,828.13
  4. Step 4: Simplify right side
    37,999.45x = 902,515,224.16
  5. Step 5: Solve for x
    x = 902,515,224.16/37,999.45
  6. Step 6: Final answer
    x = 23,750.74

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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.