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Finding the Fourth Proportional to 61,530.96, 84,933.82 and 36,045.50

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Solution

The fourth proportional to 61,530.96, 84,933.82 and 36,045.50 is: 49,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,530.96 : 84,933.82 = 36,045.50 : x
  2. Step 2: Convert to fraction form
    61,530.96/84,933.82 = 36,045.50/x
  3. Step 3: Cross multiply
    61,530.96x = 84,933.82 × 36,045.50
  4. Step 4: Simplify right side
    61,530.96x = 3,061,482,008.81
  5. Step 5: Solve for x
    x = 3,061,482,008.81/61,530.96
  6. Step 6: Final answer
    x = 49,755.15

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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.