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Finding the Fourth Proportional to 58,394.25, 87,646.76 and 36,140.31

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Solution

The fourth proportional to 58,394.25, 87,646.76 and 36,140.31 is: 54,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,394.25 : 87,646.76 = 36,140.31 : x
  2. Step 2: Convert to fraction form
    58,394.25/87,646.76 = 36,140.31/x
  3. Step 3: Cross multiply
    58,394.25x = 87,646.76 × 36,140.31
  4. Step 4: Simplify right side
    58,394.25x = 3,167,580,896.19
  5. Step 5: Solve for x
    x = 3,167,580,896.19/58,394.25
  6. Step 6: Final answer
    x = 54,244.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.