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Finding the Fourth Proportional to 18,499.08, 25,527.12 and 10,541.16

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Solution

The fourth proportional to 18,499.08, 25,527.12 and 10,541.16 is: 14,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.08 : 25,527.12 = 10,541.16 : x
  2. Step 2: Convert to fraction form
    18,499.08/25,527.12 = 10,541.16/x
  3. Step 3: Cross multiply
    18,499.08x = 25,527.12 × 10,541.16
  4. Step 4: Simplify right side
    18,499.08x = 269,085,456.26
  5. Step 5: Solve for x
    x = 269,085,456.26/18,499.08
  6. Step 6: Final answer
    x = 14,545.88

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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.