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Finding the Fourth Proportional to 63,010.75, 86,955.24 and 34,716.64

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Solution

The fourth proportional to 63,010.75, 86,955.24 and 34,716.64 is: 47,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.75 : 86,955.24 = 34,716.64 : x
  2. Step 2: Convert to fraction form
    63,010.75/86,955.24 = 34,716.64/x
  3. Step 3: Cross multiply
    63,010.75x = 86,955.24 × 34,716.64
  4. Step 4: Simplify right side
    63,010.75x = 3,018,793,763.19
  5. Step 5: Solve for x
    x = 3,018,793,763.19/63,010.75
  6. Step 6: Final answer
    x = 47,909.19

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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.