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Finding the Fourth Proportional to 11,615.69, 17,423.69 and 4,592.68

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Solution

The fourth proportional to 11,615.69, 17,423.69 and 4,592.68 is: 6,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.69 : 17,423.69 = 4,592.68 : x
  2. Step 2: Convert to fraction form
    11,615.69/17,423.69 = 4,592.68/x
  3. Step 3: Cross multiply
    11,615.69x = 17,423.69 × 4,592.68
  4. Step 4: Simplify right side
    11,615.69x = 80,021,366.07
  5. Step 5: Solve for x
    x = 80,021,366.07/11,615.69
  6. Step 6: Final answer
    x = 6,889.07

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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.