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Finding the Fourth Proportional to 23,659.55, 35,482.02 and 7,861.22

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Solution

The fourth proportional to 23,659.55, 35,482.02 and 7,861.22 is: 11,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,659.55 : 35,482.02 = 7,861.22 : x
  2. Step 2: Convert to fraction form
    23,659.55/35,482.02 = 7,861.22/x
  3. Step 3: Cross multiply
    23,659.55x = 35,482.02 × 7,861.22
  4. Step 4: Simplify right side
    23,659.55x = 278,931,965.26
  5. Step 5: Solve for x
    x = 278,931,965.26/23,659.55
  6. Step 6: Final answer
    x = 11,789.40

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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.