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Finding the Fourth Proportional to 61,555.50, 84,946.59 and 35,059.50

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Solution

The fourth proportional to 61,555.50, 84,946.59 and 35,059.50 is: 48,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,555.50 : 84,946.59 = 35,059.50 : x
  2. Step 2: Convert to fraction form
    61,555.50/84,946.59 = 35,059.50/x
  3. Step 3: Cross multiply
    61,555.50x = 84,946.59 × 35,059.50
  4. Step 4: Simplify right side
    61,555.50x = 2,978,184,972.11
  5. Step 5: Solve for x
    x = 2,978,184,972.11/61,555.50
  6. Step 6: Final answer
    x = 48,382.11

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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.