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Finding the Fourth Proportional to 18,574.63, 25,632.30 and 10,616.38

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Solution

The fourth proportional to 18,574.63, 25,632.30 and 10,616.38 is: 14,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.63 : 25,632.30 = 10,616.38 : x
  2. Step 2: Convert to fraction form
    18,574.63/25,632.30 = 10,616.38/x
  3. Step 3: Cross multiply
    18,574.63x = 25,632.30 × 10,616.38
  4. Step 4: Simplify right side
    18,574.63x = 272,122,108.91
  5. Step 5: Solve for x
    x = 272,122,108.91/18,574.63
  6. Step 6: Final answer
    x = 14,650.21

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Half scale
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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.