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Finding the Fourth Proportional to 57,348.61, 85,908.09 and 44,809.81

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Solution

The fourth proportional to 57,348.61, 85,908.09 and 44,809.81 is: 67,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,348.61 : 85,908.09 = 44,809.81 : x
  2. Step 2: Convert to fraction form
    57,348.61/85,908.09 = 44,809.81/x
  3. Step 3: Cross multiply
    57,348.61x = 85,908.09 × 44,809.81
  4. Step 4: Simplify right side
    57,348.61x = 3,849,525,190.36
  5. Step 5: Solve for x
    x = 3,849,525,190.36/57,348.61
  6. Step 6: Final answer
    x = 67,125.00

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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.