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Finding the Fourth Proportional to 66,671.37, 100,007.06 and 26,708.54

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Solution

The fourth proportional to 66,671.37, 100,007.06 and 26,708.54 is: 40,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,671.37 : 100,007.06 = 26,708.54 : x
  2. Step 2: Convert to fraction form
    66,671.37/100,007.06 = 26,708.54/x
  3. Step 3: Cross multiply
    66,671.37x = 100,007.06 × 26,708.54
  4. Step 4: Simplify right side
    66,671.37x = 2,671,041,928.71
  5. Step 5: Solve for x
    x = 2,671,041,928.71/66,671.37
  6. Step 6: Final answer
    x = 40,062.80

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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.