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Finding the Fourth Proportional to 12,532.88, 17,295 and 6,867.56

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Solution

The fourth proportional to 12,532.88, 17,295 and 6,867.56 is: 9,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.88 : 17,295 = 6,867.56 : x
  2. Step 2: Convert to fraction form
    12,532.88/17,295 = 6,867.56/x
  3. Step 3: Cross multiply
    12,532.88x = 17,295 × 6,867.56
  4. Step 4: Simplify right side
    12,532.88x = 118,774,450.20
  5. Step 5: Solve for x
    x = 118,774,450.20/12,532.88
  6. Step 6: Final answer
    x = 9,477.03

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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.