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Finding the Fourth Proportional to 57,578.96, 79,492.68 and 37,741.52

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Solution

The fourth proportional to 57,578.96, 79,492.68 and 37,741.52 is: 52,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,578.96 : 79,492.68 = 37,741.52 : x
  2. Step 2: Convert to fraction form
    57,578.96/79,492.68 = 37,741.52/x
  3. Step 3: Cross multiply
    57,578.96x = 79,492.68 × 37,741.52
  4. Step 4: Simplify right side
    57,578.96x = 3,000,174,572.07
  5. Step 5: Solve for x
    x = 3,000,174,572.07/57,578.96
  6. Step 6: Final answer
    x = 52,105.40

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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.