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Finding the Fourth Proportional to 64,272.96, 96,040.98 and 48,990.96

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Solution

The fourth proportional to 64,272.96, 96,040.98 and 48,990.96 is: 73,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272.96 : 96,040.98 = 48,990.96 : x
  2. Step 2: Convert to fraction form
    64,272.96/96,040.98 = 48,990.96/x
  3. Step 3: Cross multiply
    64,272.96x = 96,040.98 × 48,990.96
  4. Step 4: Simplify right side
    64,272.96x = 4,705,139,809.54
  5. Step 5: Solve for x
    x = 4,705,139,809.54/64,272.96
  6. Step 6: Final answer
    x = 73,205.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.