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Finding the Fourth Proportional to 57,970.97, 86,919.02 and 18,514.97

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Solution

The fourth proportional to 57,970.97, 86,919.02 and 18,514.97 is: 27,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,970.97 : 86,919.02 = 18,514.97 : x
  2. Step 2: Convert to fraction form
    57,970.97/86,919.02 = 18,514.97/x
  3. Step 3: Cross multiply
    57,970.97x = 86,919.02 × 18,514.97
  4. Step 4: Simplify right side
    57,970.97x = 1,609,302,955.15
  5. Step 5: Solve for x
    x = 1,609,302,955.15/57,970.97
  6. Step 6: Final answer
    x = 27,760.50

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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.