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Finding the Fourth Proportional to 17,382.55, 26,073.90 and 8,615.41

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Solution

The fourth proportional to 17,382.55, 26,073.90 and 8,615.41 is: 12,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.55 : 26,073.90 = 8,615.41 : x
  2. Step 2: Convert to fraction form
    17,382.55/26,073.90 = 8,615.41/x
  3. Step 3: Cross multiply
    17,382.55x = 26,073.90 × 8,615.41
  4. Step 4: Simplify right side
    17,382.55x = 224,637,420.28
  5. Step 5: Solve for x
    x = 224,637,420.28/17,382.55
  6. Step 6: Final answer
    x = 12,923.16

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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.