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Finding the Fourth Proportional to 61,690.88, 92,536.32 and 30,494.72

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Solution

The fourth proportional to 61,690.88, 92,536.32 and 30,494.72 is: 45,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,690.88 : 92,536.32 = 30,494.72 : x
  2. Step 2: Convert to fraction form
    61,690.88/92,536.32 = 30,494.72/x
  3. Step 3: Cross multiply
    61,690.88x = 92,536.32 × 30,494.72
  4. Step 4: Simplify right side
    61,690.88x = 2,821,869,168.23
  5. Step 5: Solve for x
    x = 2,821,869,168.23/61,690.88
  6. Step 6: Final answer
    x = 45,742.08

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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.