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Finding the Fourth Proportional to 17,013, 25,475.98 and 15,434.76

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Solution

The fourth proportional to 17,013, 25,475.98 and 15,434.76 is: 23,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013 : 25,475.98 = 15,434.76 : x
  2. Step 2: Convert to fraction form
    17,013/25,475.98 = 15,434.76/x
  3. Step 3: Cross multiply
    17,013x = 25,475.98 × 15,434.76
  4. Step 4: Simplify right side
    17,013x = 393,215,637.06
  5. Step 5: Solve for x
    x = 393,215,637.06/17,013
  6. Step 6: Final answer
    x = 23,112.66

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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.