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Finding the Fourth Proportional to 48,509.28, 66,942.72 and 26,998.92

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Solution

The fourth proportional to 48,509.28, 66,942.72 and 26,998.92 is: 37,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,509.28 : 66,942.72 = 26,998.92 : x
  2. Step 2: Convert to fraction form
    48,509.28/66,942.72 = 26,998.92/x
  3. Step 3: Cross multiply
    48,509.28x = 66,942.72 × 26,998.92
  4. Step 4: Simplify right side
    48,509.28x = 1,807,381,141.86
  5. Step 5: Solve for x
    x = 1,807,381,141.86/48,509.28
  6. Step 6: Final answer
    x = 37,258.46

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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.