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Finding the Fourth Proportional to 57,536.64, 79,213.68 and 45,535.68

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Solution

The fourth proportional to 57,536.64, 79,213.68 and 45,535.68 is: 62,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,536.64 : 79,213.68 = 45,535.68 : x
  2. Step 2: Convert to fraction form
    57,536.64/79,213.68 = 45,535.68/x
  3. Step 3: Cross multiply
    57,536.64x = 79,213.68 × 45,535.68
  4. Step 4: Simplify right side
    57,536.64x = 3,607,048,784.10
  5. Step 5: Solve for x
    x = 3,607,048,784.10/57,536.64
  6. Step 6: Final answer
    x = 62,691.34

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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.