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Finding the Fourth Proportional to 12,863.07, 17,734.02 and 9,275.03

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Solution

The fourth proportional to 12,863.07, 17,734.02 and 9,275.03 is: 12,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.07 : 17,734.02 = 9,275.03 : x
  2. Step 2: Convert to fraction form
    12,863.07/17,734.02 = 9,275.03/x
  3. Step 3: Cross multiply
    12,863.07x = 17,734.02 × 9,275.03
  4. Step 4: Simplify right side
    12,863.07x = 164,483,478.85
  5. Step 5: Solve for x
    x = 164,483,478.85/12,863.07
  6. Step 6: Final answer
    x = 12,787.26

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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.