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Finding the Fourth Proportional to 12,627.55, 17,425.93 and 7,325.43

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Solution

The fourth proportional to 12,627.55, 17,425.93 and 7,325.43 is: 10,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.55 : 17,425.93 = 7,325.43 : x
  2. Step 2: Convert to fraction form
    12,627.55/17,425.93 = 7,325.43/x
  3. Step 3: Cross multiply
    12,627.55x = 17,425.93 × 7,325.43
  4. Step 4: Simplify right side
    12,627.55x = 127,652,430.40
  5. Step 5: Solve for x
    x = 127,652,430.40/12,627.55
  6. Step 6: Final answer
    x = 10,109.04

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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.