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Finding the Fourth Proportional to 61,597.71, 85,007.73 and 34,739.66

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Solution

The fourth proportional to 61,597.71, 85,007.73 and 34,739.66 is: 47,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,597.71 : 85,007.73 = 34,739.66 : x
  2. Step 2: Convert to fraction form
    61,597.71/85,007.73 = 34,739.66/x
  3. Step 3: Cross multiply
    61,597.71x = 85,007.73 × 34,739.66
  4. Step 4: Simplify right side
    61,597.71x = 2,953,139,212.53
  5. Step 5: Solve for x
    x = 2,953,139,212.53/61,597.71
  6. Step 6: Final answer
    x = 47,942.35

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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.