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Finding the Fourth Proportional to 57,615.00, 79,574.91 and 38,461.43

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Solution

The fourth proportional to 57,615.00, 79,574.91 and 38,461.43 is: 53,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,615.00 : 79,574.91 = 38,461.43 : x
  2. Step 2: Convert to fraction form
    57,615.00/79,574.91 = 38,461.43/x
  3. Step 3: Cross multiply
    57,615.00x = 79,574.91 × 38,461.43
  4. Step 4: Simplify right side
    57,615.00x = 3,060,564,885.43
  5. Step 5: Solve for x
    x = 3,060,564,885.43/57,615.00
  6. Step 6: Final answer
    x = 53,120.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.