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Finding the Fourth Proportional to 9,693.73, 14,543.43 and 3,119.77

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Solution

The fourth proportional to 9,693.73, 14,543.43 and 3,119.77 is: 4,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.73 : 14,543.43 = 3,119.77 : x
  2. Step 2: Convert to fraction form
    9,693.73/14,543.43 = 3,119.77/x
  3. Step 3: Cross multiply
    9,693.73x = 14,543.43 × 3,119.77
  4. Step 4: Simplify right side
    9,693.73x = 45,372,156.61
  5. Step 5: Solve for x
    x = 45,372,156.61/9,693.73
  6. Step 6: Final answer
    x = 4,680.57

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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.