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Finding the Fourth Proportional to 17,381.32, 26,071.95 and 4,901.32

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Solution

The fourth proportional to 17,381.32, 26,071.95 and 4,901.32 is: 7,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.32 : 26,071.95 = 4,901.32 : x
  2. Step 2: Convert to fraction form
    17,381.32/26,071.95 = 4,901.32/x
  3. Step 3: Cross multiply
    17,381.32x = 26,071.95 × 4,901.32
  4. Step 4: Simplify right side
    17,381.32x = 127,786,969.97
  5. Step 5: Solve for x
    x = 127,786,969.97/17,381.32
  6. Step 6: Final answer
    x = 7,351.97

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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.