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Finding the Fourth Proportional to 63,809.68, 95,480.48 and 53,253.64

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Solution

The fourth proportional to 63,809.68, 95,480.48 and 53,253.64 is: 79,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809.68 : 95,480.48 = 53,253.64 : x
  2. Step 2: Convert to fraction form
    63,809.68/95,480.48 = 53,253.64/x
  3. Step 3: Cross multiply
    63,809.68x = 95,480.48 × 53,253.64
  4. Step 4: Simplify right side
    63,809.68x = 5,084,683,108.95
  5. Step 5: Solve for x
    x = 5,084,683,108.95/63,809.68
  6. Step 6: Final answer
    x = 79,685.14

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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.