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Finding the Fourth Proportional to 18,457.05, 25,463.07 and 11,746.38

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Solution

The fourth proportional to 18,457.05, 25,463.07 and 11,746.38 is: 16,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.05 : 25,463.07 = 11,746.38 : x
  2. Step 2: Convert to fraction form
    18,457.05/25,463.07 = 11,746.38/x
  3. Step 3: Cross multiply
    18,457.05x = 25,463.07 × 11,746.38
  4. Step 4: Simplify right side
    18,457.05x = 299,098,896.19
  5. Step 5: Solve for x
    x = 299,098,896.19/18,457.05
  6. Step 6: Final answer
    x = 16,205.13

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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.