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Finding the Fourth Proportional to 61,913.57, 85,441.64 and 35,055.32

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Solution

The fourth proportional to 61,913.57, 85,441.64 and 35,055.32 is: 48,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,913.57 : 85,441.64 = 35,055.32 : x
  2. Step 2: Convert to fraction form
    61,913.57/85,441.64 = 35,055.32/x
  3. Step 3: Cross multiply
    61,913.57x = 85,441.64 × 35,055.32
  4. Step 4: Simplify right side
    61,913.57x = 2,995,183,429.04
  5. Step 5: Solve for x
    x = 2,995,183,429.04/61,913.57
  6. Step 6: Final answer
    x = 48,376.85

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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.