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Finding the Fourth Proportional to 65,415.26, 90,274.02 and 36,741.14

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Solution

The fourth proportional to 65,415.26, 90,274.02 and 36,741.14 is: 50,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,415.26 : 90,274.02 = 36,741.14 : x
  2. Step 2: Convert to fraction form
    65,415.26/90,274.02 = 36,741.14/x
  3. Step 3: Cross multiply
    65,415.26x = 90,274.02 × 36,741.14
  4. Step 4: Simplify right side
    65,415.26x = 3,316,770,407.18
  5. Step 5: Solve for x
    x = 3,316,770,407.18/65,415.26
  6. Step 6: Final answer
    x = 50,703.31

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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.