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Finding the Fourth Proportional to 38,695.41, 53,410.71 and 22,789.08

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Solution

The fourth proportional to 38,695.41, 53,410.71 and 22,789.08 is: 31,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.41 : 53,410.71 = 22,789.08 : x
  2. Step 2: Convert to fraction form
    38,695.41/53,410.71 = 22,789.08/x
  3. Step 3: Cross multiply
    38,695.41x = 53,410.71 × 22,789.08
  4. Step 4: Simplify right side
    38,695.41x = 1,217,180,943.05
  5. Step 5: Solve for x
    x = 1,217,180,943.05/38,695.41
  6. Step 6: Final answer
    x = 31,455.43

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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.