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Finding the Fourth Proportional to 3,536.79, 4,874.94 and 2,827.38

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Solution

The fourth proportional to 3,536.79, 4,874.94 and 2,827.38 is: 3,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.79 : 4,874.94 = 2,827.38 : x
  2. Step 2: Convert to fraction form
    3,536.79/4,874.94 = 2,827.38/x
  3. Step 3: Cross multiply
    3,536.79x = 4,874.94 × 2,827.38
  4. Step 4: Simplify right side
    3,536.79x = 13,783,307.86
  5. Step 5: Solve for x
    x = 13,783,307.86/3,536.79
  6. Step 6: Final answer
    x = 3,897.12

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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.