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Finding the Fourth Proportional to 58,658.19, 80,884.09 and 43,578.83

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Solution

The fourth proportional to 58,658.19, 80,884.09 and 43,578.83 is: 60,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,658.19 : 80,884.09 = 43,578.83 : x
  2. Step 2: Convert to fraction form
    58,658.19/80,884.09 = 43,578.83/x
  3. Step 3: Cross multiply
    58,658.19x = 80,884.09 × 43,578.83
  4. Step 4: Simplify right side
    58,658.19x = 3,524,834,007.81
  5. Step 5: Solve for x
    x = 3,524,834,007.81/58,658.19
  6. Step 6: Final answer
    x = 60,091.08

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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.