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Finding the Fourth Proportional to 21,495.84, 32,255.52 and 8,348.73

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Solution

The fourth proportional to 21,495.84, 32,255.52 and 8,348.73 is: 12,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.84 : 32,255.52 = 8,348.73 : x
  2. Step 2: Convert to fraction form
    21,495.84/32,255.52 = 8,348.73/x
  3. Step 3: Cross multiply
    21,495.84x = 32,255.52 × 8,348.73
  4. Step 4: Simplify right side
    21,495.84x = 269,292,627.49
  5. Step 5: Solve for x
    x = 269,292,627.49/21,495.84
  6. Step 6: Final answer
    x = 12,527.66

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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.