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Finding the Fourth Proportional to 17,328.85, 23,913.71 and 9,371.05

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Solution

The fourth proportional to 17,328.85, 23,913.71 and 9,371.05 is: 12,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.85 : 23,913.71 = 9,371.05 : x
  2. Step 2: Convert to fraction form
    17,328.85/23,913.71 = 9,371.05/x
  3. Step 3: Cross multiply
    17,328.85x = 23,913.71 × 9,371.05
  4. Step 4: Simplify right side
    17,328.85x = 224,096,525.24
  5. Step 5: Solve for x
    x = 224,096,525.24/17,328.85
  6. Step 6: Final answer
    x = 12,931.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.