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Finding the Fourth Proportional to 61,480.76, 92,243 and 30,337.88

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Solution

The fourth proportional to 61,480.76, 92,243 and 30,337.88 is: 45,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,480.76 : 92,243 = 30,337.88 : x
  2. Step 2: Convert to fraction form
    61,480.76/92,243 = 30,337.88/x
  3. Step 3: Cross multiply
    61,480.76x = 92,243 × 30,337.88
  4. Step 4: Simplify right side
    61,480.76x = 2,798,457,064.84
  5. Step 5: Solve for x
    x = 2,798,457,064.84/61,480.76
  6. Step 6: Final answer
    x = 45,517.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.