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Finding the Fourth Proportional to 65,658.58, 90,598.84 and 36,976.74

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Solution

The fourth proportional to 65,658.58, 90,598.84 and 36,976.74 is: 51,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,658.58 : 90,598.84 = 36,976.74 : x
  2. Step 2: Convert to fraction form
    65,658.58/90,598.84 = 36,976.74/x
  3. Step 3: Cross multiply
    65,658.58x = 90,598.84 × 36,976.74
  4. Step 4: Simplify right side
    65,658.58x = 3,350,049,318.79
  5. Step 5: Solve for x
    x = 3,350,049,318.79/65,658.58
  6. Step 6: Final answer
    x = 51,022.26

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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.