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Finding the Fourth Proportional to 61,510.86, 84,885.57 and 34,653.96

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Solution

The fourth proportional to 61,510.86, 84,885.57 and 34,653.96 is: 47,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,510.86 : 84,885.57 = 34,653.96 : x
  2. Step 2: Convert to fraction form
    61,510.86/84,885.57 = 34,653.96/x
  3. Step 3: Cross multiply
    61,510.86x = 84,885.57 × 34,653.96
  4. Step 4: Simplify right side
    61,510.86x = 2,941,621,147.36
  5. Step 5: Solve for x
    x = 2,941,621,147.36/61,510.86
  6. Step 6: Final answer
    x = 47,822.79

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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.