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Finding the Fourth Proportional to 18,382.01, 25,367.54 and 10,424.10

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Solution

The fourth proportional to 18,382.01, 25,367.54 and 10,424.10 is: 14,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.01 : 25,367.54 = 10,424.10 : x
  2. Step 2: Convert to fraction form
    18,382.01/25,367.54 = 10,424.10/x
  3. Step 3: Cross multiply
    18,382.01x = 25,367.54 × 10,424.10
  4. Step 4: Simplify right side
    18,382.01x = 264,433,721.59
  5. Step 5: Solve for x
    x = 264,433,721.59/18,382.01
  6. Step 6: Final answer
    x = 14,385.46

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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.