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Finding the Fourth Proportional to 61,459.72, 84,816.12 and 37,585.96

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Solution

The fourth proportional to 61,459.72, 84,816.12 and 37,585.96 is: 51,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,459.72 : 84,816.12 = 37,585.96 : x
  2. Step 2: Convert to fraction form
    61,459.72/84,816.12 = 37,585.96/x
  3. Step 3: Cross multiply
    61,459.72x = 84,816.12 × 37,585.96
  4. Step 4: Simplify right side
    61,459.72x = 3,187,895,293.68
  5. Step 5: Solve for x
    x = 3,187,895,293.68/61,459.72
  6. Step 6: Final answer
    x = 51,869.67

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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.