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Finding the Fourth Proportional to 65,847.83, 90,845.52 and 43,199.42

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Solution

The fourth proportional to 65,847.83, 90,845.52 and 43,199.42 is: 59,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,847.83 : 90,845.52 = 43,199.42 : x
  2. Step 2: Convert to fraction form
    65,847.83/90,845.52 = 43,199.42/x
  3. Step 3: Cross multiply
    65,847.83x = 90,845.52 × 43,199.42
  4. Step 4: Simplify right side
    65,847.83x = 3,924,473,319.37
  5. Step 5: Solve for x
    x = 3,924,473,319.37/65,847.83
  6. Step 6: Final answer
    x = 59,599.13

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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.