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Finding the Fourth Proportional to 63,010.66, 86,835.09 and 45,074.53

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Solution

The fourth proportional to 63,010.66, 86,835.09 and 45,074.53 is: 62,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.66 : 86,835.09 = 45,074.53 : x
  2. Step 2: Convert to fraction form
    63,010.66/86,835.09 = 45,074.53/x
  3. Step 3: Cross multiply
    63,010.66x = 86,835.09 × 45,074.53
  4. Step 4: Simplify right side
    63,010.66x = 3,914,050,404.84
  5. Step 5: Solve for x
    x = 3,914,050,404.84/63,010.66
  6. Step 6: Final answer
    x = 62,117.27

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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.