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Finding the Fourth Proportional to 3,532.63, 4,874.63 and 2,187.63

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Solution

The fourth proportional to 3,532.63, 4,874.63 and 2,187.63 is: 3,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.63 : 4,874.63 = 2,187.63 : x
  2. Step 2: Convert to fraction form
    3,532.63/4,874.63 = 2,187.63/x
  3. Step 3: Cross multiply
    3,532.63x = 4,874.63 × 2,187.63
  4. Step 4: Simplify right side
    3,532.63x = 10,663,886.83
  5. Step 5: Solve for x
    x = 10,663,886.83/3,532.63
  6. Step 6: Final answer
    x = 3,018.68

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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.