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Finding the Fourth Proportional to 23,559.72, 35,344.80 and 7,764.12

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Solution

The fourth proportional to 23,559.72, 35,344.80 and 7,764.12 is: 11,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,559.72 : 35,344.80 = 7,764.12 : x
  2. Step 2: Convert to fraction form
    23,559.72/35,344.80 = 7,764.12/x
  3. Step 3: Cross multiply
    23,559.72x = 35,344.80 × 7,764.12
  4. Step 4: Simplify right side
    23,559.72x = 274,421,268.58
  5. Step 5: Solve for x
    x = 274,421,268.58/23,559.72
  6. Step 6: Final answer
    x = 11,647.90

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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.