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Finding the Fourth Proportional to 38,601.01, 57,883.02 and 18,856.45

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Solution

The fourth proportional to 38,601.01, 57,883.02 and 18,856.45 is: 28,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.01 : 57,883.02 = 18,856.45 : x
  2. Step 2: Convert to fraction form
    38,601.01/57,883.02 = 18,856.45/x
  3. Step 3: Cross multiply
    38,601.01x = 57,883.02 × 18,856.45
  4. Step 4: Simplify right side
    38,601.01x = 1,091,468,272.48
  5. Step 5: Solve for x
    x = 1,091,468,272.48/38,601.01
  6. Step 6: Final answer
    x = 28,275.64

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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.