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Finding the Fourth Proportional to 58,051.71, 87,079.52 and 20,614.70

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Solution

The fourth proportional to 58,051.71, 87,079.52 and 20,614.70 is: 30,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,051.71 : 87,079.52 = 20,614.70 : x
  2. Step 2: Convert to fraction form
    58,051.71/87,079.52 = 20,614.70/x
  3. Step 3: Cross multiply
    58,051.71x = 87,079.52 × 20,614.70
  4. Step 4: Simplify right side
    58,051.71x = 1,795,118,450.18
  5. Step 5: Solve for x
    x = 1,795,118,450.18/58,051.71
  6. Step 6: Final answer
    x = 30,922.75

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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.