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Finding the Fourth Proportional to 63,077.40, 94,599.97 and 18,693.80

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Solution

The fourth proportional to 63,077.40, 94,599.97 and 18,693.80 is: 28,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,077.40 : 94,599.97 = 18,693.80 : x
  2. Step 2: Convert to fraction form
    63,077.40/94,599.97 = 18,693.80/x
  3. Step 3: Cross multiply
    63,077.40x = 94,599.97 × 18,693.80
  4. Step 4: Simplify right side
    63,077.40x = 1,768,432,919.19
  5. Step 5: Solve for x
    x = 1,768,432,919.19/63,077.40
  6. Step 6: Final answer
    x = 28,035.92

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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.