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Finding the Fourth Proportional to 61,611.15, 85,024.62 and 34,748.40

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Solution

The fourth proportional to 61,611.15, 85,024.62 and 34,748.40 is: 47,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,611.15 : 85,024.62 = 34,748.40 : x
  2. Step 2: Convert to fraction form
    61,611.15/85,024.62 = 34,748.40/x
  3. Step 3: Cross multiply
    61,611.15x = 85,024.62 × 34,748.40
  4. Step 4: Simplify right side
    61,611.15x = 2,954,469,505.61
  5. Step 5: Solve for x
    x = 2,954,469,505.61/61,611.15
  6. Step 6: Final answer
    x = 47,953.49

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1.5x scale

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.