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Finding the Fourth Proportional to 61,528.96, 84,931.06 and 36,043.50

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Solution

The fourth proportional to 61,528.96, 84,931.06 and 36,043.50 is: 49,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,528.96 : 84,931.06 = 36,043.50 : x
  2. Step 2: Convert to fraction form
    61,528.96/84,931.06 = 36,043.50/x
  3. Step 3: Cross multiply
    61,528.96x = 84,931.06 × 36,043.50
  4. Step 4: Simplify right side
    61,528.96x = 3,061,212,571.00
  5. Step 5: Solve for x
    x = 3,061,212,571.00/61,528.96
  6. Step 6: Final answer
    x = 49,752.39

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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.