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Finding the Fourth Proportional to 58,611.62, 80,884.08 and 34,407.86

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Solution

The fourth proportional to 58,611.62, 80,884.08 and 34,407.86 is: 47,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.62 : 80,884.08 = 34,407.86 : x
  2. Step 2: Convert to fraction form
    58,611.62/80,884.08 = 34,407.86/x
  3. Step 3: Cross multiply
    58,611.62x = 80,884.08 × 34,407.86
  4. Step 4: Simplify right side
    58,611.62x = 2,783,047,696.45
  5. Step 5: Solve for x
    x = 2,783,047,696.45/58,611.62
  6. Step 6: Final answer
    x = 47,482.86

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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.