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Finding the Fourth Proportional to 17,258.92, 25,914.30 and 9,871.72

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Solution

The fourth proportional to 17,258.92, 25,914.30 and 9,871.72 is: 14,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,258.92 : 25,914.30 = 9,871.72 : x
  2. Step 2: Convert to fraction form
    17,258.92/25,914.30 = 9,871.72/x
  3. Step 3: Cross multiply
    17,258.92x = 25,914.30 × 9,871.72
  4. Step 4: Simplify right side
    17,258.92x = 255,818,713.60
  5. Step 5: Solve for x
    x = 255,818,713.60/17,258.92
  6. Step 6: Final answer
    x = 14,822.41

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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.