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Finding the Fourth Proportional to 57,878.69, 79,875.68 and 32,383.53

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Solution

The fourth proportional to 57,878.69, 79,875.68 and 32,383.53 is: 44,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,878.69 : 79,875.68 = 32,383.53 : x
  2. Step 2: Convert to fraction form
    57,878.69/79,875.68 = 32,383.53/x
  3. Step 3: Cross multiply
    57,878.69x = 79,875.68 × 32,383.53
  4. Step 4: Simplify right side
    57,878.69x = 2,586,656,317.63
  5. Step 5: Solve for x
    x = 2,586,656,317.63/57,878.69
  6. Step 6: Final answer
    x = 44,691.00

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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.