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Finding the Fourth Proportional to 23,812.59, 32,900.94 and 18,815.16

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Solution

The fourth proportional to 23,812.59, 32,900.94 and 18,815.16 is: 25,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,812.59 : 32,900.94 = 18,815.16 : x
  2. Step 2: Convert to fraction form
    23,812.59/32,900.94 = 18,815.16/x
  3. Step 3: Cross multiply
    23,812.59x = 32,900.94 × 18,815.16
  4. Step 4: Simplify right side
    23,812.59x = 619,036,450.25
  5. Step 5: Solve for x
    x = 619,036,450.25/23,812.59
  6. Step 6: Final answer
    x = 25,996.18

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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.