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Finding the Fourth Proportional to 61,873.88, 92,812.64 and 15,126.75

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Solution

The fourth proportional to 61,873.88, 92,812.64 and 15,126.75 is: 22,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873.88 : 92,812.64 = 15,126.75 : x
  2. Step 2: Convert to fraction form
    61,873.88/92,812.64 = 15,126.75/x
  3. Step 3: Cross multiply
    61,873.88x = 92,812.64 × 15,126.75
  4. Step 4: Simplify right side
    61,873.88x = 1,403,953,526.49
  5. Step 5: Solve for x
    x = 1,403,953,526.49/61,873.88
  6. Step 6: Final answer
    x = 22,690.57

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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.