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Finding the Fourth Proportional to 27,422.37, 37,856.03 and 17,355.69

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Solution

The fourth proportional to 27,422.37, 37,856.03 and 17,355.69 is: 23,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.37 : 37,856.03 = 17,355.69 : x
  2. Step 2: Convert to fraction form
    27,422.37/37,856.03 = 17,355.69/x
  3. Step 3: Cross multiply
    27,422.37x = 37,856.03 × 17,355.69
  4. Step 4: Simplify right side
    27,422.37x = 657,017,434.53
  5. Step 5: Solve for x
    x = 657,017,434.53/27,422.37
  6. Step 6: Final answer
    x = 23,959.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.