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Finding the Fourth Proportional to 34,699.11, 52,048.47 and 8,403.84

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Solution

The fourth proportional to 34,699.11, 52,048.47 and 8,403.84 is: 12,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.11 : 52,048.47 = 8,403.84 : x
  2. Step 2: Convert to fraction form
    34,699.11/52,048.47 = 8,403.84/x
  3. Step 3: Cross multiply
    34,699.11x = 52,048.47 × 8,403.84
  4. Step 4: Simplify right side
    34,699.11x = 437,407,014.12
  5. Step 5: Solve for x
    x = 437,407,014.12/34,699.11
  6. Step 6: Final answer
    x = 12,605.71

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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.