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Finding the Fourth Proportional to 63,905.31, 88,189.16 and 37,063.40

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Solution

The fourth proportional to 63,905.31, 88,189.16 and 37,063.40 is: 51,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,905.31 : 88,189.16 = 37,063.40 : x
  2. Step 2: Convert to fraction form
    63,905.31/88,189.16 = 37,063.40/x
  3. Step 3: Cross multiply
    63,905.31x = 88,189.16 × 37,063.40
  4. Step 4: Simplify right side
    63,905.31x = 3,268,589,486.48
  5. Step 5: Solve for x
    x = 3,268,589,486.48/63,905.31
  6. Step 6: Final answer
    x = 51,147.38

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1.5x scale

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.