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Finding the Fourth Proportional to 61,492.59, 92,169.77 and 30,349.71

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Solution

The fourth proportional to 61,492.59, 92,169.77 and 30,349.71 is: 45,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.59 : 92,169.77 = 30,349.71 : x
  2. Step 2: Convert to fraction form
    61,492.59/92,169.77 = 30,349.71/x
  3. Step 3: Cross multiply
    61,492.59x = 92,169.77 × 30,349.71
  4. Step 4: Simplify right side
    61,492.59x = 2,797,325,638.52
  5. Step 5: Solve for x
    x = 2,797,325,638.52/61,492.59
  6. Step 6: Final answer
    x = 45,490.45

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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.