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Finding the Fourth Proportional to 57,604.76, 86,461.13 and 35,461.38

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Solution

The fourth proportional to 57,604.76, 86,461.13 and 35,461.38 is: 53,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,604.76 : 86,461.13 = 35,461.38 : x
  2. Step 2: Convert to fraction form
    57,604.76/86,461.13 = 35,461.38/x
  3. Step 3: Cross multiply
    57,604.76x = 86,461.13 × 35,461.38
  4. Step 4: Simplify right side
    57,604.76x = 3,066,030,986.16
  5. Step 5: Solve for x
    x = 3,066,030,986.16/57,604.76
  6. Step 6: Final answer
    x = 53,225.31

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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.