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Finding the Fourth Proportional to 23,123.42, 34,686.11 and 7,328.11

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Solution

The fourth proportional to 23,123.42, 34,686.11 and 7,328.11 is: 10,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123.42 : 34,686.11 = 7,328.11 : x
  2. Step 2: Convert to fraction form
    23,123.42/34,686.11 = 7,328.11/x
  3. Step 3: Cross multiply
    23,123.42x = 34,686.11 × 7,328.11
  4. Step 4: Simplify right side
    23,123.42x = 254,183,584.97
  5. Step 5: Solve for x
    x = 254,183,584.97/23,123.42
  6. Step 6: Final answer
    x = 10,992.47

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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.