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Finding the Fourth Proportional to 61,492.11, 84,854.84 and 36,336.75

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Solution

The fourth proportional to 61,492.11, 84,854.84 and 36,336.75 is: 50,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.11 : 84,854.84 = 36,336.75 : x
  2. Step 2: Convert to fraction form
    61,492.11/84,854.84 = 36,336.75/x
  3. Step 3: Cross multiply
    61,492.11x = 84,854.84 × 36,336.75
  4. Step 4: Simplify right side
    61,492.11x = 3,083,348,925.69
  5. Step 5: Solve for x
    x = 3,083,348,925.69/61,492.11
  6. Step 6: Final answer
    x = 50,142.19

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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.