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Finding the Fourth Proportional to 15,379.62, 23,051.50 and 7,060.50

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Solution

The fourth proportional to 15,379.62, 23,051.50 and 7,060.50 is: 10,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.62 : 23,051.50 = 7,060.50 : x
  2. Step 2: Convert to fraction form
    15,379.62/23,051.50 = 7,060.50/x
  3. Step 3: Cross multiply
    15,379.62x = 23,051.50 × 7,060.50
  4. Step 4: Simplify right side
    15,379.62x = 162,755,115.75
  5. Step 5: Solve for x
    x = 162,755,115.75/15,379.62
  6. Step 6: Final answer
    x = 10,582.52

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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.