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Finding the Fourth Proportional to 17,601.76, 26,407.04 and 12,417.76

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Solution

The fourth proportional to 17,601.76, 26,407.04 and 12,417.76 is: 18,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.76 : 26,407.04 = 12,417.76 : x
  2. Step 2: Convert to fraction form
    17,601.76/26,407.04 = 12,417.76/x
  3. Step 3: Cross multiply
    17,601.76x = 26,407.04 × 12,417.76
  4. Step 4: Simplify right side
    17,601.76x = 327,916,285.03
  5. Step 5: Solve for x
    x = 327,916,285.03/17,601.76
  6. Step 6: Final answer
    x = 18,629.74

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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.