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Finding the Fourth Proportional to 17,615.28, 26,373.96 and 14,087.28

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Solution

The fourth proportional to 17,615.28, 26,373.96 and 14,087.28 is: 21,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.28 : 26,373.96 = 14,087.28 : x
  2. Step 2: Convert to fraction form
    17,615.28/26,373.96 = 14,087.28/x
  3. Step 3: Cross multiply
    17,615.28x = 26,373.96 × 14,087.28
  4. Step 4: Simplify right side
    17,615.28x = 371,537,359.23
  5. Step 5: Solve for x
    x = 371,537,359.23/17,615.28
  6. Step 6: Final answer
    x = 21,091.77

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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.