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Finding the Fourth Proportional to 63,009.66, 86,955.30 and 36,157.08

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Solution

The fourth proportional to 63,009.66, 86,955.30 and 36,157.08 is: 49,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.66 : 86,955.30 = 36,157.08 : x
  2. Step 2: Convert to fraction form
    63,009.66/86,955.30 = 36,157.08/x
  3. Step 3: Cross multiply
    63,009.66x = 86,955.30 × 36,157.08
  4. Step 4: Simplify right side
    63,009.66x = 3,144,049,738.52
  5. Step 5: Solve for x
    x = 3,144,049,738.52/63,009.66
  6. Step 6: Final answer
    x = 49,897.90

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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.