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Finding the Fourth Proportional to 15,256.62, 22,899.69 and 7,364.70

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Solution

The fourth proportional to 15,256.62, 22,899.69 and 7,364.70 is: 11,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.62 : 22,899.69 = 7,364.70 : x
  2. Step 2: Convert to fraction form
    15,256.62/22,899.69 = 7,364.70/x
  3. Step 3: Cross multiply
    15,256.62x = 22,899.69 × 7,364.70
  4. Step 4: Simplify right side
    15,256.62x = 168,649,346.94
  5. Step 5: Solve for x
    x = 168,649,346.94/15,256.62
  6. Step 6: Final answer
    x = 11,054.17

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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.