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Finding the Fourth Proportional to 48,609.93, 73,177.51 and 43,721.86

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Solution

The fourth proportional to 48,609.93, 73,177.51 and 43,721.86 is: 65,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.93 : 73,177.51 = 43,721.86 : x
  2. Step 2: Convert to fraction form
    48,609.93/73,177.51 = 43,721.86/x
  3. Step 3: Cross multiply
    48,609.93x = 73,177.51 × 43,721.86
  4. Step 4: Simplify right side
    48,609.93x = 3,199,456,628.76
  5. Step 5: Solve for x
    x = 3,199,456,628.76/48,609.93
  6. Step 6: Final answer
    x = 65,818.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.