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Finding the Fourth Proportional to 15,364.72, 23,048.72 and 4,271.44

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Solution

The fourth proportional to 15,364.72, 23,048.72 and 4,271.44 is: 6,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.72 : 23,048.72 = 4,271.44 : x
  2. Step 2: Convert to fraction form
    15,364.72/23,048.72 = 4,271.44/x
  3. Step 3: Cross multiply
    15,364.72x = 23,048.72 × 4,271.44
  4. Step 4: Simplify right side
    15,364.72x = 98,451,224.56
  5. Step 5: Solve for x
    x = 98,451,224.56/15,364.72
  6. Step 6: Final answer
    x = 6,407.62

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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.