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Finding the Fourth Proportional to 55,458, 83,236.92 and 37,645.52

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Solution

The fourth proportional to 55,458, 83,236.92 and 37,645.52 is: 56,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,458 : 83,236.92 = 37,645.52 : x
  2. Step 2: Convert to fraction form
    55,458/83,236.92 = 37,645.52/x
  3. Step 3: Cross multiply
    55,458x = 83,236.92 × 37,645.52
  4. Step 4: Simplify right side
    55,458x = 3,133,497,136.60
  5. Step 5: Solve for x
    x = 3,133,497,136.60/55,458
  6. Step 6: Final answer
    x = 56,502.17

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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.