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Finding the Fourth Proportional to 25,672.48, 38,509.36 and 12,523.04

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Solution

The fourth proportional to 25,672.48, 38,509.36 and 12,523.04 is: 18,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.48 : 38,509.36 = 12,523.04 : x
  2. Step 2: Convert to fraction form
    25,672.48/38,509.36 = 12,523.04/x
  3. Step 3: Cross multiply
    25,672.48x = 38,509.36 × 12,523.04
  4. Step 4: Simplify right side
    25,672.48x = 482,254,255.65
  5. Step 5: Solve for x
    x = 482,254,255.65/25,672.48
  6. Step 6: Final answer
    x = 18,784.87

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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.