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Finding the Fourth Proportional to 61,599.75, 85,007.23 and 34,742.49

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Solution

The fourth proportional to 61,599.75, 85,007.23 and 34,742.49 is: 47,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.75 : 85,007.23 = 34,742.49 : x
  2. Step 2: Convert to fraction form
    61,599.75/85,007.23 = 34,742.49/x
  3. Step 3: Cross multiply
    61,599.75x = 85,007.23 × 34,742.49
  4. Step 4: Simplify right side
    61,599.75x = 2,953,362,838.20
  5. Step 5: Solve for x
    x = 2,953,362,838.20/61,599.75
  6. Step 6: Final answer
    x = 47,944.40

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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.