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Finding the Fourth Proportional to 58,624.75, 80,968.98 and 39,729.07

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Solution

The fourth proportional to 58,624.75, 80,968.98 and 39,729.07 is: 54,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,624.75 : 80,968.98 = 39,729.07 : x
  2. Step 2: Convert to fraction form
    58,624.75/80,968.98 = 39,729.07/x
  3. Step 3: Cross multiply
    58,624.75x = 80,968.98 × 39,729.07
  4. Step 4: Simplify right side
    58,624.75x = 3,216,822,274.25
  5. Step 5: Solve for x
    x = 3,216,822,274.25/58,624.75
  6. Step 6: Final answer
    x = 54,871.40

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