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Finding the Fourth Proportional to 56,277.80, 84,416.70 and 35,282.60

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Solution

The fourth proportional to 56,277.80, 84,416.70 and 35,282.60 is: 52,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.80 : 84,416.70 = 35,282.60 : x
  2. Step 2: Convert to fraction form
    56,277.80/84,416.70 = 35,282.60/x
  3. Step 3: Cross multiply
    56,277.80x = 84,416.70 × 35,282.60
  4. Step 4: Simplify right side
    56,277.80x = 2,978,440,659.42
  5. Step 5: Solve for x
    x = 2,978,440,659.42/56,277.80
  6. Step 6: Final answer
    x = 52,923.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.