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Finding the Fourth Proportional to 15,367.80, 23,040 and 7,050.18

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Solution

The fourth proportional to 15,367.80, 23,040 and 7,050.18 is: 10,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.80 : 23,040 = 7,050.18 : x
  2. Step 2: Convert to fraction form
    15,367.80/23,040 = 7,050.18/x
  3. Step 3: Cross multiply
    15,367.80x = 23,040 × 7,050.18
  4. Step 4: Simplify right side
    15,367.80x = 162,436,147.20
  5. Step 5: Solve for x
    x = 162,436,147.20/15,367.80
  6. Step 6: Final answer
    x = 10,569.90

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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.