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Finding the Fourth Proportional to 65,276.53, 90,080.84 and 36,596.05

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Solution

The fourth proportional to 65,276.53, 90,080.84 and 36,596.05 is: 50,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,276.53 : 90,080.84 = 36,596.05 : x
  2. Step 2: Convert to fraction form
    65,276.53/90,080.84 = 36,596.05/x
  3. Step 3: Cross multiply
    65,276.53x = 90,080.84 × 36,596.05
  4. Step 4: Simplify right side
    65,276.53x = 3,296,602,790.97
  5. Step 5: Solve for x
    x = 3,296,602,790.97/65,276.53
  6. Step 6: Final answer
    x = 50,502.12

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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.