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Finding the Fourth Proportional to 12,504.54, 17,257.76 and 7,200.39

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Solution

The fourth proportional to 12,504.54, 17,257.76 and 7,200.39 is: 9,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.54 : 17,257.76 = 7,200.39 : x
  2. Step 2: Convert to fraction form
    12,504.54/17,257.76 = 7,200.39/x
  3. Step 3: Cross multiply
    12,504.54x = 17,257.76 × 7,200.39
  4. Step 4: Simplify right side
    12,504.54x = 124,262,658.24
  5. Step 5: Solve for x
    x = 124,262,658.24/12,504.54
  6. Step 6: Final answer
    x = 9,937.40

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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.