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Finding the Fourth Proportional to 61,370.46, 84,680.64 and 34,510.86

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Solution

The fourth proportional to 61,370.46, 84,680.64 and 34,510.86 is: 47,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,370.46 : 84,680.64 = 34,510.86 : x
  2. Step 2: Convert to fraction form
    61,370.46/84,680.64 = 34,510.86/x
  3. Step 3: Cross multiply
    61,370.46x = 84,680.64 × 34,510.86
  4. Step 4: Simplify right side
    61,370.46x = 2,922,401,711.75
  5. Step 5: Solve for x
    x = 2,922,401,711.75/61,370.46
  6. Step 6: Final answer
    x = 47,619.03

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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.