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Finding the Fourth Proportional to 15,014.42, 22,509.05 and 7,112.42

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Solution

The fourth proportional to 15,014.42, 22,509.05 and 7,112.42 is: 10,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014.42 : 22,509.05 = 7,112.42 : x
  2. Step 2: Convert to fraction form
    15,014.42/22,509.05 = 7,112.42/x
  3. Step 3: Cross multiply
    15,014.42x = 22,509.05 × 7,112.42
  4. Step 4: Simplify right side
    15,014.42x = 160,093,817.40
  5. Step 5: Solve for x
    x = 160,093,817.40/15,014.42
  6. Step 6: Final answer
    x = 10,662.67

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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.