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Finding the Fourth Proportional to 61,528.95, 84,910.35 and 36,050.40

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Solution

The fourth proportional to 61,528.95, 84,910.35 and 36,050.40 is: 49,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,528.95 : 84,910.35 = 36,050.40 : x
  2. Step 2: Convert to fraction form
    61,528.95/84,910.35 = 36,050.40/x
  3. Step 3: Cross multiply
    61,528.95x = 84,910.35 × 36,050.40
  4. Step 4: Simplify right side
    61,528.95x = 3,061,052,081.64
  5. Step 5: Solve for x
    x = 3,061,052,081.64/61,528.95
  6. Step 6: Final answer
    x = 49,749.79

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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.