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Finding the Fourth Proportional to 58,611.06, 87,927.48 and 19,170.27

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Solution

The fourth proportional to 58,611.06, 87,927.48 and 19,170.27 is: 28,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.06 : 87,927.48 = 19,170.27 : x
  2. Step 2: Convert to fraction form
    58,611.06/87,927.48 = 19,170.27/x
  3. Step 3: Cross multiply
    58,611.06x = 87,927.48 × 19,170.27
  4. Step 4: Simplify right side
    58,611.06x = 1,685,593,532.02
  5. Step 5: Solve for x
    x = 1,685,593,532.02/58,611.06
  6. Step 6: Final answer
    x = 28,758.97

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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.