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Finding the Fourth Proportional to 57,304.35, 79,130.43 and 35,830.89

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Solution

The fourth proportional to 57,304.35, 79,130.43 and 35,830.89 is: 49,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304.35 : 79,130.43 = 35,830.89 : x
  2. Step 2: Convert to fraction form
    57,304.35/79,130.43 = 35,830.89/x
  3. Step 3: Cross multiply
    57,304.35x = 79,130.43 × 35,830.89
  4. Step 4: Simplify right side
    57,304.35x = 2,835,313,732.98
  5. Step 5: Solve for x
    x = 2,835,313,732.98/57,304.35
  6. Step 6: Final answer
    x = 49,478.16

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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.