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Finding the Fourth Proportional to 2,632.68, 3,632.80 and 1,513.68

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Solution

The fourth proportional to 2,632.68, 3,632.80 and 1,513.68 is: 2,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.68 : 3,632.80 = 1,513.68 : x
  2. Step 2: Convert to fraction form
    2,632.68/3,632.80 = 1,513.68/x
  3. Step 3: Cross multiply
    2,632.68x = 3,632.80 × 1,513.68
  4. Step 4: Simplify right side
    2,632.68x = 5,498,896.70
  5. Step 5: Solve for x
    x = 5,498,896.70/2,632.68
  6. Step 6: Final answer
    x = 2,088.71

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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.