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Finding the Fourth Proportional to 43,566.72, 65,337.12 and 15,858.24

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Solution

The fourth proportional to 43,566.72, 65,337.12 and 15,858.24 is: 23,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,566.72 : 65,337.12 = 15,858.24 : x
  2. Step 2: Convert to fraction form
    43,566.72/65,337.12 = 15,858.24/x
  3. Step 3: Cross multiply
    43,566.72x = 65,337.12 × 15,858.24
  4. Step 4: Simplify right side
    43,566.72x = 1,036,131,729.87
  5. Step 5: Solve for x
    x = 1,036,131,729.87/43,566.72
  6. Step 6: Final answer
    x = 23,782.64

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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.