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Finding the Fourth Proportional to 18,892.92, 26,072.25 and 10,509.42

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Solution

The fourth proportional to 18,892.92, 26,072.25 and 10,509.42 is: 14,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.92 : 26,072.25 = 10,509.42 : x
  2. Step 2: Convert to fraction form
    18,892.92/26,072.25 = 10,509.42/x
  3. Step 3: Cross multiply
    18,892.92x = 26,072.25 × 10,509.42
  4. Step 4: Simplify right side
    18,892.92x = 274,004,225.60
  5. Step 5: Solve for x
    x = 274,004,225.60/18,892.92
  6. Step 6: Final answer
    x = 14,503.01

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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.