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Finding the Fourth Proportional to 17,684.96, 26,510.96 and 12,140.92

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Solution

The fourth proportional to 17,684.96, 26,510.96 and 12,140.92 is: 18,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.96 : 26,510.96 = 12,140.92 : x
  2. Step 2: Convert to fraction form
    17,684.96/26,510.96 = 12,140.92/x
  3. Step 3: Cross multiply
    17,684.96x = 26,510.96 × 12,140.92
  4. Step 4: Simplify right side
    17,684.96x = 321,867,444.48
  5. Step 5: Solve for x
    x = 321,867,444.48/17,684.96
  6. Step 6: Final answer
    x = 18,200.07

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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.