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Finding the Fourth Proportional to 61,486.80, 92,252 and 30,343.92

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Solution

The fourth proportional to 61,486.80, 92,252 and 30,343.92 is: 45,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.80 : 92,252 = 30,343.92 : x
  2. Step 2: Convert to fraction form
    61,486.80/92,252 = 30,343.92/x
  3. Step 3: Cross multiply
    61,486.80x = 92,252 × 30,343.92
  4. Step 4: Simplify right side
    61,486.80x = 2,799,287,307.84
  5. Step 5: Solve for x
    x = 2,799,287,307.84/61,486.80
  6. Step 6: Final answer
    x = 45,526.64

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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.