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Finding the Fourth Proportional to 23,373.72, 32,256.90 and 12,763.80

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Solution

The fourth proportional to 23,373.72, 32,256.90 and 12,763.80 is: 17,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,373.72 : 32,256.90 = 12,763.80 : x
  2. Step 2: Convert to fraction form
    23,373.72/32,256.90 = 12,763.80/x
  3. Step 3: Cross multiply
    23,373.72x = 32,256.90 × 12,763.80
  4. Step 4: Simplify right side
    23,373.72x = 411,720,620.22
  5. Step 5: Solve for x
    x = 411,720,620.22/23,373.72
  6. Step 6: Final answer
    x = 17,614.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.