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Finding the Fourth Proportional to 29,960.16, 44,939.88 and 7,771.56

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Solution

The fourth proportional to 29,960.16, 44,939.88 and 7,771.56 is: 11,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,960.16 : 44,939.88 = 7,771.56 : x
  2. Step 2: Convert to fraction form
    29,960.16/44,939.88 = 7,771.56/x
  3. Step 3: Cross multiply
    29,960.16x = 44,939.88 × 7,771.56
  4. Step 4: Simplify right side
    29,960.16x = 349,252,973.81
  5. Step 5: Solve for x
    x = 349,252,973.81/29,960.16
  6. Step 6: Final answer
    x = 11,657.25

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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.