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Finding the Fourth Proportional to 68,492.50, 94,548.74 and 41,643.58

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Solution

The fourth proportional to 68,492.50, 94,548.74 and 41,643.58 is: 57,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,492.50 : 94,548.74 = 41,643.58 : x
  2. Step 2: Convert to fraction form
    68,492.50/94,548.74 = 41,643.58/x
  3. Step 3: Cross multiply
    68,492.50x = 94,548.74 × 41,643.58
  4. Step 4: Simplify right side
    68,492.50x = 3,937,347,885.83
  5. Step 5: Solve for x
    x = 3,937,347,885.83/68,492.50
  6. Step 6: Final answer
    x = 57,485.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.