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Finding the Fourth Proportional to 55,258.79, 82,888.11 and 25,660.44

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Solution

The fourth proportional to 55,258.79, 82,888.11 and 25,660.44 is: 38,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258.79 : 82,888.11 = 25,660.44 : x
  2. Step 2: Convert to fraction form
    55,258.79/82,888.11 = 25,660.44/x
  3. Step 3: Cross multiply
    55,258.79x = 82,888.11 × 25,660.44
  4. Step 4: Simplify right side
    55,258.79x = 2,126,945,373.37
  5. Step 5: Solve for x
    x = 2,126,945,373.37/55,258.79
  6. Step 6: Final answer
    x = 38,490.63

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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.