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Finding the Fourth Proportional to 58,526.92, 80,766.56 and 31,668.84

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Solution

The fourth proportional to 58,526.92, 80,766.56 and 31,668.84 is: 43,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,526.92 : 80,766.56 = 31,668.84 : x
  2. Step 2: Convert to fraction form
    58,526.92/80,766.56 = 31,668.84/x
  3. Step 3: Cross multiply
    58,526.92x = 80,766.56 × 31,668.84
  4. Step 4: Simplify right side
    58,526.92x = 2,557,783,265.99
  5. Step 5: Solve for x
    x = 2,557,783,265.99/58,526.92
  6. Step 6: Final answer
    x = 43,702.68

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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.