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Finding the Fourth Proportional to 57,805.79, 79,762.70 and 35,132.67

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Solution

The fourth proportional to 57,805.79, 79,762.70 and 35,132.67 is: 48,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,805.79 : 79,762.70 = 35,132.67 : x
  2. Step 2: Convert to fraction form
    57,805.79/79,762.70 = 35,132.67/x
  3. Step 3: Cross multiply
    57,805.79x = 79,762.70 × 35,132.67
  4. Step 4: Simplify right side
    57,805.79x = 2,802,276,441.75
  5. Step 5: Solve for x
    x = 2,802,276,441.75/57,805.79
  6. Step 6: Final answer
    x = 48,477.44

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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.