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Finding the Fourth Proportional to 17,263.91, 25,915.08 and 8,941.70

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Solution

The fourth proportional to 17,263.91, 25,915.08 and 8,941.70 is: 13,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,263.91 : 25,915.08 = 8,941.70 : x
  2. Step 2: Convert to fraction form
    17,263.91/25,915.08 = 8,941.70/x
  3. Step 3: Cross multiply
    17,263.91x = 25,915.08 × 8,941.70
  4. Step 4: Simplify right side
    17,263.91x = 231,724,741.26
  5. Step 5: Solve for x
    x = 231,724,741.26/17,263.91
  6. Step 6: Final answer
    x = 13,422.50

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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.