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Finding the Fourth Proportional to 17,038.75, 23,513.49 and 9,586.75

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Solution

The fourth proportional to 17,038.75, 23,513.49 and 9,586.75 is: 13,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038.75 : 23,513.49 = 9,586.75 : x
  2. Step 2: Convert to fraction form
    17,038.75/23,513.49 = 9,586.75/x
  3. Step 3: Cross multiply
    17,038.75x = 23,513.49 × 9,586.75
  4. Step 4: Simplify right side
    17,038.75x = 225,417,950.26
  5. Step 5: Solve for x
    x = 225,417,950.26/17,038.75
  6. Step 6: Final answer
    x = 13,229.72

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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.