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Finding the Fourth Proportional to 18,562.12, 25,616.02 and 10,178.12

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Solution

The fourth proportional to 18,562.12, 25,616.02 and 10,178.12 is: 14,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.12 : 25,616.02 = 10,178.12 : x
  2. Step 2: Convert to fraction form
    18,562.12/25,616.02 = 10,178.12/x
  3. Step 3: Cross multiply
    18,562.12x = 25,616.02 × 10,178.12
  4. Step 4: Simplify right side
    18,562.12x = 260,722,925.48
  5. Step 5: Solve for x
    x = 260,722,925.48/18,562.12
  6. Step 6: Final answer
    x = 14,045.97

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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.