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Finding the Fourth Proportional to 58,456.36, 87,658.62 and 40,934.44

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Solution

The fourth proportional to 58,456.36, 87,658.62 and 40,934.44 is: 61,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,456.36 : 87,658.62 = 40,934.44 : x
  2. Step 2: Convert to fraction form
    58,456.36/87,658.62 = 40,934.44/x
  3. Step 3: Cross multiply
    58,456.36x = 87,658.62 × 40,934.44
  4. Step 4: Simplify right side
    58,456.36x = 3,588,256,520.87
  5. Step 5: Solve for x
    x = 3,588,256,520.87/58,456.36
  6. Step 6: Final answer
    x = 61,383.51

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1.5x scale

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.