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Finding the Fourth Proportional to 17,955.92, 26,937.92 and 6,862.32

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Solution

The fourth proportional to 17,955.92, 26,937.92 and 6,862.32 is: 10,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.92 : 26,937.92 = 6,862.32 : x
  2. Step 2: Convert to fraction form
    17,955.92/26,937.92 = 6,862.32/x
  3. Step 3: Cross multiply
    17,955.92x = 26,937.92 × 6,862.32
  4. Step 4: Simplify right side
    17,955.92x = 184,856,627.17
  5. Step 5: Solve for x
    x = 184,856,627.17/17,955.92
  6. Step 6: Final answer
    x = 10,295.02

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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.