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Finding the Fourth Proportional to 38,070.74, 57,063.63 and 15,876.74

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Solution

The fourth proportional to 38,070.74, 57,063.63 and 15,876.74 is: 23,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.74 : 57,063.63 = 15,876.74 : x
  2. Step 2: Convert to fraction form
    38,070.74/57,063.63 = 15,876.74/x
  3. Step 3: Cross multiply
    38,070.74x = 57,063.63 × 15,876.74
  4. Step 4: Simplify right side
    38,070.74x = 905,984,416.97
  5. Step 5: Solve for x
    x = 905,984,416.97/38,070.74
  6. Step 6: Final answer
    x = 23,797.39

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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.