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Finding the Fourth Proportional to 18,373.98, 27,559.48 and 5,890.65

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Solution

The fourth proportional to 18,373.98, 27,559.48 and 5,890.65 is: 8,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.98 : 27,559.48 = 5,890.65 : x
  2. Step 2: Convert to fraction form
    18,373.98/27,559.48 = 5,890.65/x
  3. Step 3: Cross multiply
    18,373.98x = 27,559.48 × 5,890.65
  4. Step 4: Simplify right side
    18,373.98x = 162,343,250.86
  5. Step 5: Solve for x
    x = 162,343,250.86/18,373.98
  6. Step 6: Final answer
    x = 8,835.50

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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.