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Finding the Fourth Proportional to 11,504.79, 17,253.78 and 4,929.45

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Solution

The fourth proportional to 11,504.79, 17,253.78 and 4,929.45 is: 7,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504.79 : 17,253.78 = 4,929.45 : x
  2. Step 2: Convert to fraction form
    11,504.79/17,253.78 = 4,929.45/x
  3. Step 3: Cross multiply
    11,504.79x = 17,253.78 × 4,929.45
  4. Step 4: Simplify right side
    11,504.79x = 85,051,645.82
  5. Step 5: Solve for x
    x = 85,051,645.82/11,504.79
  6. Step 6: Final answer
    x = 7,392.72

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1.5x scale

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.