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Finding the Fourth Proportional to 38,854.88, 53,617.40 and 22,944.32

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Solution

The fourth proportional to 38,854.88, 53,617.40 and 22,944.32 is: 31,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,854.88 : 53,617.40 = 22,944.32 : x
  2. Step 2: Convert to fraction form
    38,854.88/53,617.40 = 22,944.32/x
  3. Step 3: Cross multiply
    38,854.88x = 53,617.40 × 22,944.32
  4. Step 4: Simplify right side
    38,854.88x = 1,230,214,783.17
  5. Step 5: Solve for x
    x = 1,230,214,783.17/38,854.88
  6. Step 6: Final answer
    x = 31,661.78

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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.