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Finding the Fourth Proportional to 58,151.81, 87,227.73 and 38,425.77

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Solution

The fourth proportional to 58,151.81, 87,227.73 and 38,425.77 is: 57,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,151.81 : 87,227.73 = 38,425.77 : x
  2. Step 2: Convert to fraction form
    58,151.81/87,227.73 = 38,425.77/x
  3. Step 3: Cross multiply
    58,151.81x = 87,227.73 × 38,425.77
  4. Step 4: Simplify right side
    58,151.81x = 3,351,792,690.60
  5. Step 5: Solve for x
    x = 3,351,792,690.60/58,151.81
  6. Step 6: Final answer
    x = 57,638.66

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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.