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Finding the Fourth Proportional to 23,491.71, 32,423.74 and 18,377.09

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Solution

The fourth proportional to 23,491.71, 32,423.74 and 18,377.09 is: 25,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.71 : 32,423.74 = 18,377.09 : x
  2. Step 2: Convert to fraction form
    23,491.71/32,423.74 = 18,377.09/x
  3. Step 3: Cross multiply
    23,491.71x = 32,423.74 × 18,377.09
  4. Step 4: Simplify right side
    23,491.71x = 595,854,023.23
  5. Step 5: Solve for x
    x = 595,854,023.23/23,491.71
  6. Step 6: Final answer
    x = 25,364.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.