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Finding the Fourth Proportional to 63,060.63, 94,604.79 and 18,690.87

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Solution

The fourth proportional to 63,060.63, 94,604.79 and 18,690.87 is: 28,040.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,060.63 : 94,604.79 = 18,690.87 : x
  2. Step 2: Convert to fraction form
    63,060.63/94,604.79 = 18,690.87/x
  3. Step 3: Cross multiply
    63,060.63x = 94,604.79 × 18,690.87
  4. Step 4: Simplify right side
    63,060.63x = 1,768,245,831.27
  5. Step 5: Solve for x
    x = 1,768,245,831.27/63,060.63
  6. Step 6: Final answer
    x = 28,040.41

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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.