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Finding the Fourth Proportional to 63,122.95, 94,668.15 and 18,739.67

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Solution

The fourth proportional to 63,122.95, 94,668.15 and 18,739.67 is: 28,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.95 : 94,668.15 = 18,739.67 : x
  2. Step 2: Convert to fraction form
    63,122.95/94,668.15 = 18,739.67/x
  3. Step 3: Cross multiply
    63,122.95x = 94,668.15 × 18,739.67
  4. Step 4: Simplify right side
    63,122.95x = 1,774,049,890.51
  5. Step 5: Solve for x
    x = 1,774,049,890.51/63,122.95
  6. Step 6: Final answer
    x = 28,104.67

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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.