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Finding the Fourth Proportional to 31,695.94, 43,750.29 and 19,752.22

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Solution

The fourth proportional to 31,695.94, 43,750.29 and 19,752.22 is: 27,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.94 : 43,750.29 = 19,752.22 : x
  2. Step 2: Convert to fraction form
    31,695.94/43,750.29 = 19,752.22/x
  3. Step 3: Cross multiply
    31,695.94x = 43,750.29 × 19,752.22
  4. Step 4: Simplify right side
    31,695.94x = 864,165,353.14
  5. Step 5: Solve for x
    x = 864,165,353.14/31,695.94
  6. Step 6: Final answer
    x = 27,264.23

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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.