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Finding the Fourth Proportional to 27,708.93, 41,534.67 and 12,905.67

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Solution

The fourth proportional to 27,708.93, 41,534.67 and 12,905.67 is: 19,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.93 : 41,534.67 = 12,905.67 : x
  2. Step 2: Convert to fraction form
    27,708.93/41,534.67 = 12,905.67/x
  3. Step 3: Cross multiply
    27,708.93x = 41,534.67 × 12,905.67
  4. Step 4: Simplify right side
    27,708.93x = 536,032,744.58
  5. Step 5: Solve for x
    x = 536,032,744.58/27,708.93
  6. Step 6: Final answer
    x = 19,345.13

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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.