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Finding the Fourth Proportional to 17,381.92, 26,072.90 and 4,901.84

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Solution

The fourth proportional to 17,381.92, 26,072.90 and 4,901.84 is: 7,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.92 : 26,072.90 = 4,901.84 : x
  2. Step 2: Convert to fraction form
    17,381.92/26,072.90 = 4,901.84/x
  3. Step 3: Cross multiply
    17,381.92x = 26,072.90 × 4,901.84
  4. Step 4: Simplify right side
    17,381.92x = 127,805,184.14
  5. Step 5: Solve for x
    x = 127,805,184.14/17,381.92
  6. Step 6: Final answer
    x = 7,352.77

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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.