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Finding the Fourth Proportional to 63,988.58, 88,308.53 and 37,131.01

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Solution

The fourth proportional to 63,988.58, 88,308.53 and 37,131.01 is: 51,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,988.58 : 88,308.53 = 37,131.01 : x
  2. Step 2: Convert to fraction form
    63,988.58/88,308.53 = 37,131.01/x
  3. Step 3: Cross multiply
    63,988.58x = 88,308.53 × 37,131.01
  4. Step 4: Simplify right side
    63,988.58x = 3,278,984,643.33
  5. Step 5: Solve for x
    x = 3,278,984,643.33/63,988.58
  6. Step 6: Final answer
    x = 51,243.28

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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.