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Finding the Fourth Proportional to 17,371.68, 26,057.52 and 6,981

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Solution

The fourth proportional to 17,371.68, 26,057.52 and 6,981 is: 10,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.68 : 26,057.52 = 6,981 : x
  2. Step 2: Convert to fraction form
    17,371.68/26,057.52 = 6,981/x
  3. Step 3: Cross multiply
    17,371.68x = 26,057.52 × 6,981
  4. Step 4: Simplify right side
    17,371.68x = 181,907,547.12
  5. Step 5: Solve for x
    x = 181,907,547.12/17,371.68
  6. Step 6: Final answer
    x = 10,471.50

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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.