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Finding the Fourth Proportional to 23,371, 32,252.70 and 13,435

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Solution

The fourth proportional to 23,371, 32,252.70 and 13,435 is: 18,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,371 : 32,252.70 = 13,435 : x
  2. Step 2: Convert to fraction form
    23,371/32,252.70 = 13,435/x
  3. Step 3: Cross multiply
    23,371x = 32,252.70 × 13,435
  4. Step 4: Simplify right side
    23,371x = 433,315,024.50
  5. Step 5: Solve for x
    x = 433,315,024.50/23,371
  6. Step 6: Final answer
    x = 18,540.71

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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.