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Finding the Fourth Proportional to 60,762.79, 91,143.91 and 16,394.05

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Solution

The fourth proportional to 60,762.79, 91,143.91 and 16,394.05 is: 24,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,762.79 : 91,143.91 = 16,394.05 : x
  2. Step 2: Convert to fraction form
    60,762.79/91,143.91 = 16,394.05/x
  3. Step 3: Cross multiply
    60,762.79x = 91,143.91 × 16,394.05
  4. Step 4: Simplify right side
    60,762.79x = 1,494,217,817.74
  5. Step 5: Solve for x
    x = 1,494,217,817.74/60,762.79
  6. Step 6: Final answer
    x = 24,591.00

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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.