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Finding the Fourth Proportional to 34,980.64, 52,480.72 and 15,260.96

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Solution

The fourth proportional to 34,980.64, 52,480.72 and 15,260.96 is: 22,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.64 : 52,480.72 = 15,260.96 : x
  2. Step 2: Convert to fraction form
    34,980.64/52,480.72 = 15,260.96/x
  3. Step 3: Cross multiply
    34,980.64x = 52,480.72 × 15,260.96
  4. Step 4: Simplify right side
    34,980.64x = 800,906,168.69
  5. Step 5: Solve for x
    x = 800,906,168.69/34,980.64
  6. Step 6: Final answer
    x = 22,895.70

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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.